diff options
103 files changed, 1344 insertions, 1051 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 7642365ed6d2..a07a49deb47b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2111,11 +2111,18 @@ F: drivers/edac/i5000_edac.c EDAC-I5400 M: Mauro Carvalho Chehab <mchehab@redhat.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/i5400_edac.c +EDAC-I7CORE +M: Mauro Carvalho Chehab <mchehab@redhat.com> +L: linux-edac@vger.kernel.org +W: bluesmoke.sourceforge.net +S: Maintained +F: drivers/edac/i7core_edac.c linux/edac_mce.h drivers/edac/edac_mce.c + EDAC-I82975X M: Ranganathan Desikan <ravi@jetztechnologies.com> M: "Arvind R." <arvind@jetztechnologies.com> @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 35 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc4 NAME = Sheep on Meth # *DOCUMENTATION* @@ -883,80 +883,10 @@ PHONY += $(vmlinux-dirs) $(vmlinux-dirs): prepare scripts $(Q)$(MAKE) $(build)=$@ -# Build the kernel release string -# -# The KERNELRELEASE value built here is stored in the file -# include/config/kernel.release, and is used when executing several -# make targets, such as "make install" or "make modules_install." -# -# The eventual kernel release string consists of the following fields, -# shown in a hierarchical format to show how smaller parts are concatenated -# to form the larger and final value, with values coming from places like -# the Makefile, kernel config options, make command line options and/or -# SCM tag information. -# -# $(KERNELVERSION) -# $(VERSION) eg, 2 -# $(PATCHLEVEL) eg, 6 -# $(SUBLEVEL) eg, 18 -# $(EXTRAVERSION) eg, -rc6 -# $(localver-full) -# $(localver) -# localversion* (files without backups, containing '~') -# $(CONFIG_LOCALVERSION) (from kernel config setting) -# $(LOCALVERSION) (from make command line, if provided) -# $(localver-extra) -# $(scm-identifier) (unique SCM tag, if one exists) -# ./scripts/setlocalversion (only with CONFIG_LOCALVERSION_AUTO) -# .scmversion (only with CONFIG_LOCALVERSION_AUTO) -# + (only without CONFIG_LOCALVERSION_AUTO -# and without LOCALVERSION= and -# repository is at non-tagged commit) -# -# For kernels without CONFIG_LOCALVERSION_AUTO compiled from an SCM that has -# been revised beyond a tagged commit, `+' is appended to the version string -# when not overridden by using "make LOCALVERSION=". This indicates that the -# kernel is not a vanilla release version and has been modified. - -pattern = ".*/localversion[^~]*" -string = $(shell cat /dev/null \ - `find $(objtree) $(srctree) -maxdepth 1 -regex $(pattern) | sort -u`) - -localver = $(subst $(space),, $(string) \ - $(patsubst "%",%,$(CONFIG_LOCALVERSION))) - -# scripts/setlocalversion is called to create a unique identifier if the source -# is managed by a known SCM and the repository has been revised since the last -# tagged (release) commit. The format of the identifier is determined by the -# SCM's implementation. -# -# .scmversion is used when generating rpm packages so we do not loose -# the version information from the SCM when we do the build of the kernel -# from the copied source -ifeq ($(wildcard .scmversion),) - scm-identifier = $(shell $(CONFIG_SHELL) \ - $(srctree)/scripts/setlocalversion $(srctree)) -else - scm-identifier = $(shell cat .scmversion 2> /dev/null) -endif - -ifdef CONFIG_LOCALVERSION_AUTO - localver-extra = $(scm-identifier) -else - ifneq ($(scm-identifier),) - ifeq ("$(origin LOCALVERSION)", "undefined") - localver-extra = + - endif - endif -endif - -localver-full = $(localver)$(LOCALVERSION)$(localver-extra) - # Store (new) KERNELRELASE string in include/config/kernel.release -kernelrelease = $(KERNELVERSION)$(localver-full) include/config/kernel.release: include/config/auto.conf FORCE $(Q)rm -f $@ - $(Q)echo $(kernelrelease) > $@ + $(Q)echo "$(KERNELVERSION)$$($(CONFIG_SHELL) scripts/setlocalversion $(srctree))" > $@ # Things we need to do before we recursively start building the kernel diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1f254bd6c937..98922f7d2d12 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -955,7 +955,8 @@ config XSCALE_PMU default y config CPU_HAS_PMU - depends on CPU_V6 || CPU_V7 || XSCALE_PMU + depends on (CPU_V6 || CPU_V7 || XSCALE_PMU) && \ + (!ARCH_OMAP3 || OMAP3_EMU) default y bool diff --git a/arch/arm/include/asm/mach/udc_pxa2xx.h b/arch/arm/include/asm/mach/udc_pxa2xx.h index f3eabf1ecec3..833306ee9e7f 100644 --- a/arch/arm/include/asm/mach/udc_pxa2xx.h +++ b/arch/arm/include/asm/mach/udc_pxa2xx.h @@ -21,8 +21,8 @@ struct pxa2xx_udc_mach_info { * here. Note that sometimes the signals go through inverters... */ bool gpio_vbus_inverted; - u16 gpio_vbus; /* high == vbus present */ + int gpio_vbus; /* high == vbus present */ bool gpio_pullup_inverted; - u16 gpio_pullup; /* high == pullup activated */ + int gpio_pullup; /* high == pullup activated */ }; diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 6a89567ffc5b..7bed3daf83b8 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -91,7 +91,11 @@ extern void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); +#if __LINUX_ARM_ARCH__ == 6 +#define cpu_relax() smp_mb() +#else #define cpu_relax() barrier() +#endif /* * Create a new kernel thread diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index c45768614c8a..de12536d687f 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -201,7 +201,7 @@ armpmu_event_update(struct perf_event *event, { int shift = 64 - 32; s64 prev_raw_count, new_raw_count; - s64 delta; + u64 delta; again: prev_raw_count = atomic64_read(&hwc->prev_count); diff --git a/arch/arm/mach-mx3/mach-mx31lilly.c b/arch/arm/mach-mx3/mach-mx31lilly.c index d3d5877c750e..b2c7f512070f 100644 --- a/arch/arm/mach-mx3/mach-mx31lilly.c +++ b/arch/arm/mach-mx3/mach-mx31lilly.c @@ -115,6 +115,8 @@ static struct platform_device physmap_flash_device = { /* USB */ +#if defined(CONFIG_USB_ULPI) + #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) @@ -244,10 +246,20 @@ static struct mxc_usbh_platform_data usbh2_pdata = { .flags = MXC_EHCI_POWER_PINS_ENABLED, }; -static struct platform_device *devices[] __initdata = { - &smsc91x_device, - &physmap_flash_device, -}; +static void lilly1131_usb_init(void) +{ + usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh1, &usbh1_pdata); + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +} + +#else +static inline void lilly1131_usb_init(void) {} +#endif /* CONFIG_USB_ULPI */ /* SPI */ @@ -279,6 +291,11 @@ static struct spi_board_info mc13783_dev __initdata = { .platform_data = &mc13783_pdata, }; +static struct platform_device *devices[] __initdata = { + &smsc91x_device, + &physmap_flash_device, +}; + static int mx31lilly_baseboard; core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); @@ -321,13 +338,7 @@ static void __init mx31lilly_board_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); /* USB */ - usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, - USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); - usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, - USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); - - mxc_register_device(&mxc_usbh1, &usbh1_pdata); - mxc_register_device(&mxc_usbh2, &usbh2_pdata); + lilly1131_usb_init(); } static void __init mx31lilly_timer_init(void) diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c index d60db87dde08..fa6a708b4099 100644 --- a/arch/arm/mach-pxa/mioa701.c +++ b/arch/arm/mach-pxa/mioa701.c @@ -697,7 +697,7 @@ static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { }; /* Board I2C devices. */ -static struct i2c_board_info __initdata mioa701_i2c_devices[] = { +static struct i2c_board_info mioa701_i2c_devices[] = { { I2C_BOARD_INFO("mt9m111", 0x5d), }, diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index f5d1ae3db3a4..d303c6929d32 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -3,8 +3,9 @@ * * Support for the Zipit Z2 Handheld device. * - * Author: Ken McGuire - * Created: Jan 25, 2009 + * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com> + * + * Based on research and code by: Ken McGuire * Based on mainstone.c as modified for the Zipit Z2. * * This program is free software; you can redistribute it and/or modify @@ -157,21 +158,14 @@ static struct mtd_partition z2_flash_parts[] = { { .name = "U-Boot Bootloader", .offset = 0x0, - .size = 0x20000, - }, - { - .name = "Linux Kernel", - .offset = 0x20000, - .size = 0x220000, - }, - { - .name = "Filesystem", - .offset = 0x240000, - .size = 0x5b0000, - }, - { + .size = 0x40000, + }, { .name = "U-Boot Environment", - .offset = 0x7f0000, + .offset = 0x40000, + .size = 0x60000, + }, { + .name = "Flash", + .offset = 0x60000, .size = MTDPART_SIZ_FULL, }, }; diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig index ee5e392430e8..b4575ae9648e 100644 --- a/arch/arm/mach-realview/Kconfig +++ b/arch/arm/mach-realview/Kconfig @@ -18,6 +18,7 @@ config REALVIEW_EB_ARM11MP bool "Support ARM11MPCore tile" depends on MACH_REALVIEW_EB select CPU_V6 + select ARCH_HAS_BARRIERS if SMP help Enable support for the ARM11MPCore tile on the Realview platform. @@ -35,6 +36,7 @@ config MACH_REALVIEW_PB11MP select CPU_V6 select ARM_GIC select HAVE_PATA_PLATFORM + select ARCH_HAS_BARRIERS if SMP help Include support for the ARM(R) RealView MPCore Platform Baseboard. PB11MPCore is a platform with an on-board ARM11MPCore and has diff --git a/arch/arm/mach-realview/include/mach/barriers.h b/arch/arm/mach-realview/include/mach/barriers.h new file mode 100644 index 000000000000..0c5d749d7b5f --- /dev/null +++ b/arch/arm/mach-realview/include/mach/barriers.h @@ -0,0 +1,8 @@ +/* + * Barriers redefined for RealView ARM11MPCore platforms with L220 cache + * controller to work around hardware errata causing the outer_sync() + * operation to deadlock the system. + */ +#define mb() dsb() +#define rmb() dmb() +#define wmb() mb() diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 422ccd70d5f5..4425018fab82 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -32,6 +32,7 @@ #include <asm/leds.h> #include <asm/mach-types.h> #include <asm/pmu.h> +#include <asm/pgtable.h> #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> #include <asm/localtimer.h> @@ -457,7 +458,7 @@ static void __init realview_eb_init(void) MACHINE_START(REALVIEW_EB, "ARM-RealView EB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_EB_UART0_BASE, + .phys_io = REALVIEW_EB_UART0_BASE & SECTION_MASK, .io_pg_offst = (IO_ADDRESS(REALVIEW_EB_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .fixup = realview_fixup, diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index 96568ebfa2bb..099a1f125cf8 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -32,6 +32,7 @@ #include <asm/leds.h> #include <asm/mach-types.h> #include <asm/pmu.h> +#include <asm/pgtable.h> #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> @@ -351,7 +352,7 @@ static void __init realview_pb1176_init(void) MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_PB1176_UART0_BASE, + .phys_io = REALVIEW_PB1176_UART0_BASE & SECTION_MASK, .io_pg_offst = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .fixup = realview_pb1176_fixup, diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index 7fbefbbebaf0..0e07a5ccb75f 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -32,6 +32,7 @@ #include <asm/leds.h> #include <asm/mach-types.h> #include <asm/pmu.h> +#include <asm/pgtable.h> #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> #include <asm/localtimer.h> @@ -373,7 +374,7 @@ static void __init realview_pb11mp_init(void) MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_PB11MP_UART0_BASE, + .phys_io = REALVIEW_PB11MP_UART0_BASE & SECTION_MASK, .io_pg_offst = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .fixup = realview_fixup, diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c index d3c113b3dfce..ac2f06f1ca50 100644 --- a/arch/arm/mach-realview/realview_pba8.c +++ b/arch/arm/mach-realview/realview_pba8.c @@ -31,6 +31,7 @@ #include <asm/leds.h> #include <asm/mach-types.h> #include <asm/pmu.h> +#include <asm/pgtable.h> #include <asm/hardware/gic.h> #include <asm/mach/arch.h> @@ -323,7 +324,7 @@ static void __init realview_pba8_init(void) MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_PBA8_UART0_BASE, + .phys_io = REALVIEW_PBA8_UART0_BASE & SECTION_MASK, .io_pg_offst = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .fixup = realview_fixup, diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index a235ba30996b..08fd683adc4c 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -31,6 +31,7 @@ #include <asm/mach-types.h> #include <asm/pmu.h> #include <asm/smp_twd.h> +#include <asm/pgtable.h> #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> @@ -409,7 +410,7 @@ static void __init realview_pbx_init(void) MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_PBX_UART0_BASE, + .phys_io = REALVIEW_PBX_UART0_BASE & SECTION_MASK, .io_pg_offst = (IO_ADDRESS(REALVIEW_PBX_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .fixup = realview_pbx_fixup, diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index 9b11eedba65f..6353459bb567 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -10,6 +10,7 @@ #include <linux/amba/clcd.h> #include <asm/clkdev.h> +#include <asm/pgtable.h> #include <asm/hardware/arm_timer.h> #include <asm/hardware/cache-l2x0.h> #include <asm/hardware/gic.h> @@ -236,7 +237,7 @@ static void ct_ca9x4_init(void) } MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4") - .phys_io = V2M_UART0, + .phys_io = V2M_UART0 & SECTION_MASK, .io_pg_offst = (__MMIO_P2V(V2M_UART0) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .map_io = ct_ca9x4_map_io, diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 346ae14824a5..101105e52610 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -735,6 +735,25 @@ config NEEDS_SYSCALL_FOR_CMPXCHG Forget about fast user space cmpxchg support. It is just not possible. +config DMA_CACHE_RWFO + bool "Enable read/write for ownership DMA cache maintenance" + depends on CPU_V6 && SMP + default y + help + The Snoop Control Unit on ARM11MPCore does not detect the + cache maintenance operations and the dma_{map,unmap}_area() + functions may leave stale cache entries on other CPUs. By + enabling this option, Read or Write For Ownership in the ARMv6 + DMA cache maintenance functions is performed. These LDR/STR + instructions change the cache line state to shared or modified + so that the cache operation has the desired effect. + + Note that the workaround is only valid on processors that do + not perform speculative loads into the D-cache. For such + processors, if cache maintenance operations are not broadcast + in hardware, other workarounds are needed (e.g. cache + maintenance broadcasting in software via FIQ). + config OUTER_CACHE bool @@ -794,6 +813,8 @@ config ARM_L1_CACHE_SHIFT config ARM_DMA_MEM_BUFFERABLE bool "Use non-cacheable memory for DMA" if CPU_V6 && !CPU_V7 + depends on !(MACH_REALVIEW_PB1176 || REALVIEW_EB_ARM11MP || \ + MACH_REALVIEW_PB11MP) default y if CPU_V6 || CPU_V7 help Historically, the kernel has used strongly ordered mappings to diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index e46ecd847138..86aa689ef1aa 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -211,8 +211,9 @@ v6_dma_inv_range: mcrne p15, 0, r1, c7, c15, 1 @ clean & invalidate unified line #endif 1: -#ifdef CONFIG_SMP - str r0, [r0] @ write for ownership +#ifdef CONFIG_DMA_CACHE_RWFO + ldr r2, [r0] @ read for ownership + str r2, [r0] @ write for ownership #endif #ifdef HARVARD_CACHE mcr p15, 0, r0, c7, c6, 1 @ invalidate D line @@ -234,7 +235,7 @@ v6_dma_inv_range: v6_dma_clean_range: bic r0, r0, #D_CACHE_LINE_SIZE - 1 1: -#ifdef CONFIG_SMP +#ifdef CONFIG_DMA_CACHE_RWFO ldr r2, [r0] @ read for ownership #endif #ifdef HARVARD_CACHE @@ -257,7 +258,7 @@ v6_dma_clean_range: ENTRY(v6_dma_flush_range) bic r0, r0, #D_CACHE_LINE_SIZE - 1 1: -#ifdef CONFIG_SMP +#ifdef CONFIG_DMA_CACHE_RWFO ldr r2, [r0] @ read for ownership str r2, [r0] @ write for ownership #endif @@ -283,9 +284,13 @@ ENTRY(v6_dma_map_area) add r1, r1, r0 teq r2, #DMA_FROM_DEVICE beq v6_dma_inv_range +#ifndef CONFIG_DMA_CACHE_RWFO + b v6_dma_clean_range +#else teq r2, #DMA_TO_DEVICE beq v6_dma_clean_range b v6_dma_flush_range +#endif ENDPROC(v6_dma_map_area) /* @@ -295,6 +300,11 @@ ENDPROC(v6_dma_map_area) * - dir - DMA direction */ ENTRY(v6_dma_unmap_area) +#ifndef CONFIG_DMA_CACHE_RWFO + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + bne v6_dma_inv_range +#endif mov pc, lr ENDPROC(v6_dma_unmap_area) diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 13fa536d82e6..9e7742f0a102 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -24,15 +24,6 @@ #include <asm/tlbflush.h> #include <asm/sizes.h> -/* Sanity check size */ -#if (CONSISTENT_DMA_SIZE % SZ_2M) -#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB" -#endif - -#define CONSISTENT_OFFSET(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT) -#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT) -#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT) - static u64 get_coherent_dma_mask(struct device *dev) { u64 mask = ISA_DMA_THRESHOLD; @@ -123,6 +114,15 @@ static void __dma_free_buffer(struct page *page, size_t size) } #ifdef CONFIG_MMU +/* Sanity check size */ +#if (CONSISTENT_DMA_SIZE % SZ_2M) +#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB" +#endif + +#define CONSISTENT_OFFSET(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT) +#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT) +#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT) + /* * These are the page tables (2MB each) covering uncached, DMA consistent allocations */ diff --git a/arch/arm/plat-pxa/Makefile b/arch/arm/plat-pxa/Makefile index 6187edfbcb77..a17cc0c6a6b0 100644 --- a/arch/arm/plat-pxa/Makefile +++ b/arch/arm/plat-pxa/Makefile @@ -2,8 +2,9 @@ # Makefile for code common across different PXA processor families # -obj-y := dma.o pmu.o +obj-y := dma.o +obj-$(CONFIG_ARCH_PXA) += pmu.o obj-$(CONFIG_GENERIC_GPIO) += gpio.o obj-$(CONFIG_PXA3xx) += mfp.o obj-$(CONFIG_ARCH_MMP) += mfp.o diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 611df11ba15e..c2897b7b4a3b 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -102,8 +102,8 @@ static const u64 amd_perfmon_event_map[] = [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0080, [PERF_COUNT_HW_CACHE_MISSES] = 0x0081, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, - [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2, + [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3, }; static u64 amd_pmu_event_map(int hw_event) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 142d70c74b02..725ef4d17cd5 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -526,6 +526,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; + int user_icebp = 0; unsigned long dr6; int si_code; @@ -534,6 +535,14 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) /* Filter out all the reserved bits which are preset to 1 */ dr6 &= ~DR6_RESERVED; + /* + * If dr6 has no reason to give us about the origin of this trap, + * then it's very likely the result of an icebp/int01 trap. + * User wants a sigtrap for that. + */ + if (!dr6 && user_mode(regs)) + user_icebp = 1; + /* Catch kmemcheck conditions first of all! */ if ((dr6 & DR_STEP) && kmemcheck_trap(regs)) return; @@ -575,7 +584,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) regs->flags &= ~X86_EFLAGS_TF; } si_code = get_si_code(tsk->thread.debugreg6); - if (tsk->thread.debugreg6 & (DR_STEP | DR_TRAP_BITS)) + if (tsk->thread.debugreg6 & (DR_STEP | DR_TRAP_BITS) || user_icebp) send_sigtrap(tsk, regs, error_code, si_code); preempt_conditional_cli(regs); diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index 52ff8aa63f84..1b128702d300 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -143,7 +143,7 @@ static inline int which_bucket(unsigned int duration) * This allows us to calculate * E(duration)|iowait */ - if (nr_iowait_cpu()) + if (nr_iowait_cpu(smp_processor_id())) bucket = BUCKETS/2; if (duration < 10) @@ -175,7 +175,7 @@ static inline int performance_multiplier(void) mult += 2 * get_loadavg(); /* for IO wait tasks (per cpu!) we add 5x each */ - mult += 10 * nr_iowait_cpu(); + mult += 10 * nr_iowait_cpu(smp_processor_id()); return mult; } diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c index 5a22ca6927e5..7c3747902a37 100644 --- a/drivers/dma/ppc4xx/adma.c +++ b/drivers/dma/ppc4xx/adma.c @@ -4257,10 +4257,12 @@ static int ppc440spe_adma_setup_irqs(struct ppc440spe_adma_device *adev, struct ppc440spe_adma_chan *chan, int *initcode) { + struct of_device *ofdev; struct device_node *np; int ret; - np = container_of(adev->dev, struct of_device, dev)->node; + ofdev = container_of(adev->dev, struct of_device, dev); + np = ofdev->dev.of_node; if (adev->id != PPC440SPE_XOR_ID) { adev->err_irq = irq_of_parse_and_map(np, 1); if (adev->err_irq == NO_IRQ) { diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index cf17dbb8014f..ac9f7985096d 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1958,20 +1958,20 @@ static int get_channel_from_ecc_syndrome(struct mem_ctl_info *mci, u16 syndrome) u32 value = 0; int err_sym = 0; - amd64_read_pci_cfg(pvt->misc_f3_ctl, 0x180, &value); + if (boot_cpu_data.x86 == 0x10) { - /* F3x180[EccSymbolSize]=1, x8 symbols */ - if (boot_cpu_data.x86 == 0x10 && - boot_cpu_data.x86_model > 7 && - value & BIT(25)) { - err_sym = decode_syndrome(syndrome, x8_vectors, - ARRAY_SIZE(x8_vectors), 8); - return map_err_sym_to_channel(err_sym, 8); - } else { - err_sym = decode_syndrome(syndrome, x4_vectors, - ARRAY_SIZE(x4_vectors), 4); - return map_err_sym_to_channel(err_sym, 4); + amd64_read_pci_cfg(pvt->misc_f3_ctl, 0x180, &value); + + /* F3x180[EccSymbolSize]=1 => x8 symbols */ + if (boot_cpu_data.x86_model > 7 && + value & BIT(25)) { + err_sym = decode_syndrome(syndrome, x8_vectors, + ARRAY_SIZE(x8_vectors), 8); + return map_err_sym_to_channel(err_sym, 8); + } } + err_sym = decode_syndrome(syndrome, x4_vectors, ARRAY_SIZE(x4_vectors), 4); + return map_err_sym_to_channel(err_sym, 4); } /* diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 6b8b7b41ec5f..cc9357da0e34 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1233,10 +1233,28 @@ static void __init i7core_xeon_pci_fixup(struct pci_id_table *table) for (i = 0; i < MAX_SOCKET_BUSES; i++) pcibios_scan_specific_bus(255-i); } + pci_dev_put(pdev); table++; } } +static unsigned i7core_pci_lastbus(void) +{ + int last_bus = 0, bus; + struct pci_bus *b = NULL; + + while ((b = pci_find_next_bus(b)) != NULL) { + bus = b->number; + debugf0("Found bus %d\n", bus); + if (bus > last_bus) + last_bus = bus; + } + + debugf0("Last bus %d\n", last_bus); + + return last_bus; +} + /* * i7core_get_devices Find and perform 'get' operation on the MCH's * device/functions we want to reference for this driver @@ -1244,7 +1262,8 @@ static void __init i7core_xeon_pci_fixup(struct pci_id_table *table) * Need to 'get' device 16 func 1 and func 2 */ int i7core_get_onedevice(struct pci_dev **prev, int devno, - struct pci_id_descr *dev_descr, unsigned n_devs) + struct pci_id_descr *dev_descr, unsigned n_devs, + unsigned last_bus) { struct i7core_dev *i7core_dev; @@ -1291,10 +1310,7 @@ int i7core_get_onedevice(struct pci_dev **prev, int devno, } bus = pdev->bus->number; - if (bus == 0x3f) - socket = 0; - else - socket = 255 - bus; + socket = last_bus - bus; i7core_dev = get_i7core_dev(socket); if (!i7core_dev) { @@ -1358,17 +1374,21 @@ int i7core_get_onedevice(struct pci_dev **prev, int devno, static int i7core_get_devices(struct pci_id_table *table) { - int i, rc; + int i, rc, last_bus; struct pci_dev *pdev = NULL; struct pci_id_descr *dev_descr; + last_bus = i7core_pci_lastbus(); + while (table && table->descr) { dev_descr = table->descr; for (i = 0; i < table->n_devs; i++) { pdev = NULL; do { - rc = i7core_get_onedevice(&pdev, i, &dev_descr[i], - table->n_devs); + rc = i7core_get_onedevice(&pdev, i, + &dev_descr[i], + table->n_devs, + last_bus); if (rc < 0) { if (i == 0) { i = table->n_devs; @@ -1927,21 +1947,26 @@ fail: * 0 for FOUND a device * < 0 for error code */ + +static int probed = 0; + static int __devinit i7core_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - int dev_idx = id->driver_data; int rc; struct i7core_dev *i7core_dev; + /* get the pci devices we want to reserve for our use */ + mutex_lock(&i7core_edac_lock); + /* * All memory controllers are allocated at the first pass. */ - if (unlikely(dev_idx >= 1)) + if (unlikely(probed >= 1)) { + mutex_unlock(&i7core_edac_lock); return -EINVAL; - - /* get the pci devices we want to reserve for our use */ - mutex_lock(&i7core_edac_lock); + } + probed++; rc = i7core_get_devices(pci_dev_table); if (unlikely(rc < 0)) @@ -2013,6 +2038,8 @@ static void __devexit i7core_remove(struct pci_dev *pdev) i7core_dev->socket); } } + probed--; + mutex_unlock(&i7core_edac_lock); } diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 88910e5a2c77..520ab23d8a3f 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -6,7 +6,7 @@ # menuconfig DRM tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)" - depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU + depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU select I2C select I2C_ALGOBIT select SLOW_WORK @@ -17,7 +17,7 @@ menuconfig DRM These modules provide support for synchronization, security, and DMA transfers. Please see <http://dri.sourceforge.net/> for more details. You should also select and configure AGP - (/dev/agpgart) support. + (/dev/agpgart) support if it is available for your platform. config DRM_KMS_HELPER tristate diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 3b02e04ec2c4..df8f92322865 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -9,7 +9,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \ drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \ drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ - drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \ + drm_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \ drm_crtc.o drm_modes.o drm_edid.o \ drm_info.o drm_debugfs.o drm_encoder_slave.o \ drm_trace_points.o diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index 2092e7bb788f..a5c9ce93bbcb 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -39,19 +39,6 @@ #include <asm/shmparam.h> #include "drmP.h" -resource_size_t drm_get_resource_start(struct drm_device *dev, unsigned int resource) -{ - return pci_resource_start(dev->pdev, resource); -} -EXPORT_SYMBOL(drm_get_resource_start); - -resource_size_t drm_get_resource_len(struct drm_device *dev, unsigned int resource) -{ - return pci_resource_len(dev->pdev, resource); -} - -EXPORT_SYMBOL(drm_get_resource_len); - static struct drm_map_list *drm_find_matching_map(struct drm_device *dev, struct drm_local_map *map) { @@ -189,7 +176,7 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset, switch (map->type) { case _DRM_REGISTERS: case _DRM_FRAME_BUFFER: -#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) +#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__arm__) if (map->offset + (map->size-1) < map->offset || map->offset < virt_to_phys(high_memory)) { kfree(map); diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 9b2a54117c91..fa1323ff56b3 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -241,7 +241,10 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc->enabled = drm_helper_crtc_in_use(crtc); if (!crtc->enabled) { - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc_funcs->disable) + (*crtc_funcs->disable)(crtc); + else + (*crtc_funcs->dpms)(crtc, DRM_MODE_DPMS_OFF); crtc->fb = NULL; } } diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 4a66201edaec..510bc87d98f6 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -243,47 +243,20 @@ int drm_lastclose(struct drm_device * dev) * * Initializes an array of drm_device structures, and attempts to * initialize all available devices, using consecutive minors, registering the - * stubs and initializing the AGP device. + * stubs and initializing the device. * * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and * after the initialization for driver customization. */ int drm_init(struct drm_driver *driver) { - struct pci_dev *pdev = NULL; - const struct pci_device_id *pid; - int i; - DRM_DEBUG("\n"); - INIT_LIST_HEAD(&driver->device_list); - if (driver->driver_features & DRIVER_MODESET) - return pci_register_driver(&driver->pci_driver); - - /* If not using KMS, fall back to stealth mode manual scanning. */ - for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) { - pid = &driver->pci_driver.id_table[i]; - - /* Loop around setting up a DRM device for each PCI device - * matching our ID and device class. If we had the internal - * function that pci_get_subsys and pci_get_class used, we'd - * be able to just pass pid in instead of doing a two-stage - * thing. - */ - pdev = NULL; - while ((pdev = - pci_get_subsys(pid->vendor, pid->device, pid->subvendor, - pid->subdevice, pdev)) != NULL) { - if ((pdev->class & pid->class_mask) != pid->class) - continue; - - /* stealth mode requires a manual probe */ - pci_dev_get(pdev); - drm_get_dev(pdev, pid, driver); - } - } - return 0; + if (driver->driver_features & DRIVER_USE_PLATFORM_DEVICE) + return drm_platform_init(driver); + else + return drm_pci_init(driver); } EXPORT_SYMBOL(drm_init); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c1981861bbbd..83d8072066cb 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -282,7 +282,7 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) return block; carp: - dev_warn(&connector->dev->pdev->dev, "%s: EDID block %d invalid.\n", + dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n", drm_get_connector_name(connector), j); out: @@ -1626,7 +1626,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) return 0; } if (!drm_edid_is_valid(edid)) { - dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n", + dev_warn(connector->dev->dev, "%s: EDID invalid.\n", drm_get_connector_name(connector)); return 0; } diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 1f2cc6b09623..719662034bbf 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -315,8 +315,9 @@ static void drm_fb_helper_on(struct fb_info *info) struct drm_device *dev = fb_helper->dev; struct drm_crtc *crtc; struct drm_crtc_helper_funcs *crtc_funcs; + struct drm_connector *connector; struct drm_encoder *encoder; - int i; + int i, j; /* * For each CRTC in this fb, turn the crtc on then, @@ -332,7 +333,14 @@ static void drm_fb_helper_on(struct fb_info *info) crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); - + /* Walk the connectors & encoders on this fb turning them on */ + for (j = 0; j < fb_helper->connector_count; j++) { + connector = fb_helper->connector_info[j]->connector; + connector->dpms = DRM_MODE_DPMS_ON; + drm_connector_property_set_value(connector, + dev->mode_config.dpms_property, + DRM_MODE_DPMS_ON); + } /* Found a CRTC on this fb, now find encoders */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (encoder->crtc == crtc) { @@ -352,8 +360,9 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode) struct drm_device *dev = fb_helper->dev; struct drm_crtc *crtc; struct drm_crtc_helper_funcs *crtc_funcs; + struct drm_connector *connector; struct drm_encoder *encoder; - int i; + int i, j; /* * For each CRTC in this fb, find all associated encoders @@ -367,6 +376,14 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode) if (!crtc->enabled) continue; + /* Walk the connectors on this fb and mark them off */ + for (j = 0; j < fb_helper->connector_count; j++) { + connector = fb_helper->connector_info[j]->connector; + connector->dpms = dpms_mode; + drm_connector_property_set_value(connector, + dev->mode_config.dpms_property, + dpms_mode); + } /* Found a CRTC on this fb, now find encoders */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { if (encoder->crtc == crtc) { diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 33dad3fa6043..8601b72b6f26 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -68,8 +68,18 @@ * We make up offsets for buffer objects so we can recognize them at * mmap time. */ + +/* pgoff in mmap is an unsigned long, so we need to make sure that + * the faked up offset will fit + */ + +#if BITS_PER_LONG == 64 #define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1) #define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16) +#else +#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFUL >> PAGE_SHIFT) + 1) +#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFUL >> PAGE_SHIFT) * 16) +#endif /** * Initialize the GEM device fields diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index f0f6c6b93f3a..2ef2c7827243 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -51,13 +51,24 @@ int drm_name_info(struct seq_file *m, void *data) if (!master) return 0; - if (master->unique) { - seq_printf(m, "%s %s %s\n", - dev->driver->pci_driver.name, - pci_name(dev->pdev), master->unique); + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) { + if (master->unique) { + seq_printf(m, "%s %s %s\n", + dev->driver->platform_device->name, + dev_name(dev->dev), master->unique); + } else { + seq_printf(m, "%s\n", + dev->driver->platform_device->name); + } } else { - seq_printf(m, "%s %s\n", dev->driver->pci_driver.name, - pci_name(dev->pdev)); + if (master->unique) { + seq_printf(m, "%s %s %s\n", + dev->driver->pci_driver.name, + dev_name(dev->dev), master->unique); + } else { + seq_printf(m, "%s %s\n", dev->driver->pci_driver.name, + dev_name(dev->dev)); + } } return 0; diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 9b9ff46c2378..76d3d18056dd 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -132,32 +132,57 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv) struct drm_master *master = file_priv->master; int len; - if (master->unique != NULL) - return -EBUSY; - - master->unique_len = 40; - master->unique_size = master->unique_len; - master->unique = kmalloc(master->unique_size, GFP_KERNEL); - if (master->unique == NULL) - return -ENOMEM; + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) { + master->unique_len = 10 + strlen(dev->platformdev->name); + master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL); + + if (master->unique == NULL) + return -ENOMEM; + + len = snprintf(master->unique, master->unique_len, + "platform:%s", dev->platformdev->name); + + if (len > master->unique_len) + DRM_ERROR("Unique buffer overflowed\n"); + + dev->devname = + kmalloc(strlen(dev->platformdev->name) + + master->unique_len + 2, GFP_KERNEL); + + if (dev->devname == NULL) + return -ENOMEM; + + sprintf(dev->devname, "%s@%s", dev->platformdev->name, + master->unique); + + } else { + master->unique_len = 40; + master->unique_size = master->unique_len; + master->unique = kmalloc(master->unique_size, GFP_KERNEL); + if (master->unique == NULL) + return -ENOMEM; + + len = snprintf(master->unique, master->unique_len, + "pci:%04x:%02x:%02x.%d", + drm_get_pci_domain(dev), + dev->pdev->bus->number, + PCI_SLOT(dev->pdev->devfn), + PCI_FUNC(dev->pdev->devfn)); + if (len >= master->unique_len) + DRM_ERROR("buffer overflow"); + else + master->unique_len = len; - len = snprintf(master->unique, master->unique_len, "pci:%04x:%02x:%02x.%d", - drm_get_pci_domain(dev), - dev->pdev->bus->number, - PCI_SLOT(dev->pdev->devfn), - PCI_FUNC(dev->pdev->devfn)); - if (len >= master->unique_len) - DRM_ERROR("buffer overflow"); - else - master->unique_len = len; + dev->devname = + kmalloc(strlen(dev->driver->pci_driver.name) + + master->unique_len + 2, GFP_KERNEL); - dev->devname = kmalloc(strlen(dev->driver->pci_driver.name) + - master->unique_len + 2, GFP_KERNEL); - if (dev->devname == NULL) - return -ENOMEM; + if (dev->devname == NULL) + return -ENOMEM; - sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, - master->unique); + sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, + master->unique); + } return 0; } diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index c2ecb3ed009f..9d3a5030b6e1 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -58,6 +58,9 @@ int drm_irq_by_busid(struct drm_device *dev, void *data, { struct drm_irq_busid *p = data; + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) + return -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; @@ -212,7 +215,7 @@ int drm_irq_install(struct drm_device *dev) if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; - if (dev->pdev->irq == 0) + if (drm_dev_to_irq(dev) == 0) return -EINVAL; mutex_lock(&dev->struct_mutex); @@ -230,7 +233,7 @@ int drm_irq_install(struct drm_device *dev) dev->irq_enabled = 1; mutex_unlock(&dev->struct_mutex); - DRM_DEBUG("irq=%d\n", dev->pdev->irq); + DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev)); /* Before installing handler */ dev->driver->irq_preinstall(dev); @@ -303,14 +306,14 @@ int drm_irq_uninstall(struct drm_device * dev) if (!irq_enabled) return -EINVAL; - DRM_DEBUG("irq=%d\n", dev->pdev->irq); + DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev)); if (!drm_core_check_feature(dev, DRIVER_MODESET)) vga_client_register(dev->pdev, NULL, NULL, NULL); dev->driver->irq_uninstall(dev); - free_irq(dev->pdev->irq, dev); + free_irq(drm_dev_to_irq(dev), dev); return 0; } @@ -342,7 +345,7 @@ int drm_control(struct drm_device *dev, void *data, if (drm_core_check_feature(dev, DRIVER_MODESET)) return 0; if (dev->if_version < DRM_IF_VERSION(1, 2) && - ctl->irq != dev->pdev->irq) + ctl->irq != drm_dev_to_irq(dev)) return -EINVAL; return drm_irq_install(dev); case DRM_UNINST_HANDLER: @@ -658,7 +661,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, int ret = 0; unsigned int flags, seq, crtc; - if ((!dev->pdev->irq) || (!dev->irq_enabled)) + if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled)) return -EINVAL; if (vblwait->request.type & _DRM_VBLANK_SIGNAL) diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 2ac074c8f5d2..da99edc50888 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -48,44 +48,14 @@ #define MM_UNUSED_TARGET 4 -unsigned long drm_mm_tail_space(struct drm_mm *mm) -{ - struct list_head *tail_node; - struct drm_mm_node *entry; - - tail_node = mm->ml_entry.prev; - entry = list_entry(tail_node, struct drm_mm_node, ml_entry); - if (!entry->free) - return 0; - - return entry->size; -} - -int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size) -{ - struct list_head *tail_node; - struct drm_mm_node *entry; - - tail_node = mm->ml_entry.prev; - entry = list_entry(tail_node, struct drm_mm_node, ml_entry); - if (!entry->free) - return -ENOMEM; - - if (entry->size <= size) - return -ENOMEM; - - entry->size -= size; - return 0; -} - static struct drm_mm_node *drm_mm_kmalloc(struct drm_mm *mm, int atomic) { struct drm_mm_node *child; if (atomic) - child = kmalloc(sizeof(*child), GFP_ATOMIC); + child = kzalloc(sizeof(*child), GFP_ATOMIC); else - child = kmalloc(sizeof(*child), GFP_KERNEL); + child = kzalloc(sizeof(*child), GFP_KERNEL); if (unlikely(child == NULL)) { spin_lock(&mm->unused_lock); @@ -94,8 +64,8 @@ static struct drm_mm_node *drm_mm_kmalloc(struct drm_mm *mm, int atomic) else { child = list_entry(mm->unused_nodes.next, - struct drm_mm_node, fl_entry); - list_del(&child->fl_entry); + struct drm_mm_node, free_stack); + list_del(&child->free_stack); --mm->num_unused; } spin_unlock(&mm->unused_lock); @@ -115,7 +85,7 @@ int drm_mm_pre_get(struct drm_mm *mm) spin_lock(&mm->unused_lock); while (mm->num_unused < MM_UNUSED_TARGET) { spin_unlock(&mm->unused_lock); - node = kmalloc(sizeof(*node), GFP_KERNEL); + node = kzalloc(sizeof(*node), GFP_KERNEL); spin_lock(&mm->unused_lock); if (unlikely(node == NULL)) { @@ -124,7 +94,7 @@ int drm_mm_pre_get(struct drm_mm *mm) return ret; } ++mm->num_unused; - list_add_tail(&node->fl_entry, &mm->unused_nodes); + list_add_tail(&node->free_stack, &mm->unused_nodes); } spin_unlock(&mm->unused_lock); return 0; @@ -146,27 +116,12 @@ static int drm_mm_create_tail_node(struct drm_mm *mm, child->start = start; child->mm = mm; - list_add_tail(&child->ml_entry, &mm->ml_entry); - list_add_tail(&child->fl_entry, &mm->fl_entry); + list_add_tail(&child->node_list, &mm->node_list); + list_add_tail(&child->free_stack, &mm->free_stack); return 0; } -int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size, int atomic) -{ - struct list_head *tail_node; - struct drm_mm_node *entry; - - tail_node = mm->ml_entry.prev; - entry = list_entry(tail_node, struct drm_mm_node, ml_entry); - if (!entry->free) { - return drm_mm_create_tail_node(mm, entry->start + entry->size, - size, atomic); - } - entry->size += size; - return 0; -} - static struct drm_mm_node *drm_mm_split_at_start(struct drm_mm_node *parent, unsigned long size, int atomic) @@ -177,15 +132,14 @@ static struct drm_mm_node *drm_mm_split_at_start(struct drm_mm_node *parent, if (unlikely(child == NULL)) return NULL; - INIT_LIST_HEAD(&child->fl_entry); + INIT_LIST_HEAD(&child->free_stack); - child->free = 0; child->size = size; child->start = parent->start; child->mm = parent->mm; - list_add_tail(&child->ml_entry, &parent->ml_entry); - INIT_LIST_HEAD(&child->fl_entry); + list_add_tail(&child->node_list, &parent->node_list); + INIT_LIST_HEAD(&child->free_stack); parent->size -= size; parent->start += size; @@ -213,7 +167,7 @@ struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node, } if (node->size == size) { - list_del_init(&node->fl_entry); + list_del_init(&node->free_stack); node->free = 0; } else { node = drm_mm_split_at_start(node, size, atomic); @@ -251,7 +205,7 @@ struct drm_mm_node *drm_mm_get_block_range_generic(struct drm_mm_node *node, } if (node->size == size) { - list_del_init(&node->fl_entry); + list_del_init(&node->free_stack); node->free = 0; } else { node = drm_mm_split_at_start(node, size, atomic); @@ -273,16 +227,19 @@ void drm_mm_put_block(struct drm_mm_node *cur) { struct drm_mm *mm = cur->mm; - struct list_head *cur_head = &cur->ml_entry; - struct list_head *root_head = &mm->ml_entry; + struct list_head *cur_head = &cur->node_list; + struct list_head *root_head = &mm->node_list; struct drm_mm_node *prev_node = NULL; struct drm_mm_node *next_node; int merged = 0; + BUG_ON(cur->scanned_block || cur->scanned_prev_free + || cur->scanned_next_free); + if (cur_head->prev != root_head) { prev_node = - list_entry(cur_head->prev, struct drm_mm_node, ml_entry); + list_entry(cur_head->prev, struct drm_mm_node, node_list); if (prev_node->free) { prev_node->size += cur->size; merged = 1; @@ -290,15 +247,15 @@ void drm_mm_put_block(struct drm_mm_node *cur) } if (cur_head->next != root_head) { next_node = - list_entry(cur_head->next, struct drm_mm_node, ml_entry); + list_entry(cur_head->next, struct drm_mm_node, node_list); if (next_node->free) { if (merged) { prev_node->size += next_node->size; - list_del(&next_node->ml_entry); - list_del(&next_node->fl_entry); + list_del(&next_node->node_list); + list_del(&next_node->free_stack); spin_lock(&mm->unused_lock); if (mm->num_unused < MM_UNUSED_TARGET) { - list_add(&next_node->fl_entry, + list_add(&next_node->free_stack, &mm->unused_nodes); ++mm->num_unused; } else @@ -313,12 +270,12 @@ void drm_mm_put_block(struct drm_mm_node *cur) } if (!merged) { cur->free = 1; - list_add(&cur->fl_entry, &mm->fl_entry); + list_add(&cur->free_stack, &mm->free_stack); } else { - list_del(&cur->ml_entry); + list_del(&cur->node_list); spin_lock(&mm->unused_lock); if (mm->num_unused < MM_UNUSED_TARGET) { - list_add(&cur->fl_entry, &mm->unused_nodes); + list_add(&cur->free_stack, &mm->unused_nodes); ++mm->num_unused; } else kfree(cur); @@ -328,40 +285,50 @@ void drm_mm_put_block(struct drm_mm_node *cur) EXPORT_SYMBOL(drm_mm_put_block); +static int check_free_mm_node(struct drm_mm_node *entry, unsigned long size, + unsigned alignment) +{ + unsigned wasted = 0; + + if (entry->size < size) + return 0; + + if (alignment) { + register unsigned tmp = entry->start % alignment; + if (tmp) + wasted = alignment - tmp; + } + + if (entry->size >= size + wasted) { + return 1; + } + + return 0; +} + struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, unsigned alignment, int best_match) { - struct list_head *list; - const struct list_head *free_stack = &mm->fl_entry; struct drm_mm_node *entry; struct drm_mm_node *best; unsigned long best_size; - unsigned wasted; + + BUG_ON(mm->scanned_blocks); best = NULL; best_size = ~0UL; - list_for_each(list, free_stack) { - entry = list_entry(list, struct drm_mm_node, fl_entry); - wasted = 0; - - if (entry->size < size) + list_for_each_entry(entry, &mm->free_stack, free_stack) { + if (!check_free_mm_node(entry, size, alignment)) continue; - if (alignment) { - register unsigned tmp = entry->start % alignment; - if (tmp) - wasted += alignment - tmp; - } + if (!best_match) + return entry; - if (entry->size >= size + wasted) { - if (!best_match) - return entry; - if (entry->size < best_size) { - best = entry; - best_size = entry->size; - } + if (entry->size < best_size) { + best = entry; + best_size = entry->size; } } @@ -376,43 +343,28 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm, unsigned long end, int best_match) { - struct list_head *list; - const struct list_head *free_stack = &mm->fl_entry; struct drm_mm_node *entry; struct drm_mm_node *best; unsigned long best_size; - unsigned wasted; + + BUG_ON(mm->scanned_blocks); best = NULL; best_size = ~0UL; - list_for_each(list, free_stack) { - entry = list_entry(list, struct drm_mm_node, fl_entry); - wasted = 0; - - if (entry->size < size) - continue; - + list_for_each_entry(entry, &mm->free_stack, free_stack) { if (entry->start > end || (entry->start+entry->size) < start) continue; - if (entry->start < start) - wasted += start - entry->start; + if (!check_free_mm_node(entry, size, alignment)) + continue; - if (alignment) { - register unsigned tmp = (entry->start + wasted) % alignment; - if (tmp) - wasted += alignment - tmp; - } + if (!best_match) + return entry; - if (entry->size >= size + wasted && - (entry->start + wasted + size) <= end) { - if (!best_match) - return entry; - if (entry->size < best_size) { - best = entry; - best_size = entry->size; - } + if (entry->size < best_size) { + best = entry; + best_size = entry->size; } } @@ -420,9 +372,161 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm, } EXPORT_SYMBOL(drm_mm_search_free_in_range); +/** + * Initializa lru scanning. + * + * This simply sets up the scanning routines with the parameters for the desired + * hole. + * + * Warning: As long as the scan list is non-empty, no other operations than + * adding/removing nodes to/from the scan list are allowed. + */ +void drm_mm_init_scan(struct drm_mm *mm, unsigned long size, + unsigned alignment) +{ + mm->scan_alignment = alignment; + mm->scan_size = size; + mm->scanned_blocks = 0; + mm->scan_hit_start = 0; + mm->scan_hit_size = 0; +} +EXPORT_SYMBOL(drm_mm_init_scan); + +/** + * Add a node to the scan list that might be freed to make space for the desired + * hole. + * + * Returns non-zero, if a hole has been found, zero otherwise. + */ +int drm_mm_scan_add_block(struct drm_mm_node *node) +{ + struct drm_mm *mm = node->mm; + struct list_head *prev_free, *next_free; + struct drm_mm_node *prev_node, *next_node; + + mm->scanned_blocks++; + + prev_free = next_free = NULL; + + BUG_ON(node->free); + node->scanned_block = 1; + node->free = 1; + + if (node->node_list.prev != &mm->node_list) { + prev_node = list_entry(node->node_list.prev, struct drm_mm_node, + node_list); + + if (prev_node->free) { + list_del(&prev_node->node_list); + + node->start = prev_node->start; + node->size += prev_node->size; + + prev_node->scanned_prev_free = 1; + + prev_free = &prev_node->free_stack; + } + } + + if (node->node_list.next != &mm->node_list) { + next_node = list_entry(node->node_list.next, struct drm_mm_node, + node_list); + + if (next_node->free) { + list_del(&next_node->node_list); + + node->size += next_node->size; + + next_node->scanned_next_free = 1; + + next_free = &next_node->free_stack; + } + } + + /* The free_stack list is not used for allocated objects, so these two + * pointers can be abused (as long as no allocations in this memory + * manager happens). */ + node->free_stack.prev = prev_free; + node->free_stack.next = next_free; + + if (check_free_mm_node(node, mm->scan_size, mm->scan_alignment)) { + mm->scan_hit_start = node->start; + mm->scan_hit_size = node->size; + + return 1; + } + + return 0; +} +EXPORT_SYMBOL(drm_mm_scan_add_block); + +/** + * Remove a node from the scan list. + * + * Nodes _must_ be removed in the exact same order from the scan list as they + * have been added, otherwise the internal state of the memory manager will be + * corrupted. + * + * When the scan list is empty, the selected memory nodes can be freed. An + * immediatly following drm_mm_search_free with best_match = 0 will then return + * the just freed block (because its at the top of the free_stack list). + * + * Returns one if this block should be evicted, zero otherwise. Will always + * return zero when no hole has been found. + */ +int drm_mm_scan_remove_block(struct drm_mm_node *node) +{ + struct drm_mm *mm = node->mm; + struct drm_mm_node *prev_node, *next_node; + + mm->scanned_blocks--; + + BUG_ON(!node->scanned_block); + node->scanned_block = 0; + node->free = 0; + + prev_node = list_entry(node->free_stack.prev, struct drm_mm_node, + free_stack); + next_node = list_entry(node->free_stack.next, struct drm_mm_node, + free_stack); + + if (prev_node) { + BUG_ON(!prev_node->scanned_prev_free); + prev_node->scanned_prev_free = 0; + + list_add_tail(&prev_node->node_list, &node->node_list); + + node->start = prev_node->start + prev_node->size; + node->size -= prev_node->size; + } + + if (next_node) { + BUG_ON(!next_node->scanned_next_free); + next_node->scanned_next_free = 0; + + list_add(&next_node->node_list, &node->node_list); + + node->size -= next_node->size; + } + + INIT_LIST_HEAD(&node->free_stack); + + /* Only need to check for containement because start&size for the + * complete resulting free block (not just the desired part) is + * stored. */ + if (node->start >= mm->scan_hit_start && + node->start + node->size + <= mm->scan_hit_start + mm->scan_hit_size) { + return 1; + } + + return 0; +} +EXPORT_SYMBOL(drm_mm_scan_remove_block); + int drm_mm_clean(struct drm_mm * mm) { - struct list_head *head = &mm->ml_entry; + struct list_head *head = &mm->node_list; return (head->next->next == head); } @@ -430,10 +534,11 @@ EXPORT_SYMBOL(drm_mm_clean); int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size) { - INIT_LIST_HEAD(&mm->ml_entry); - INIT_LIST_HEAD(&mm->fl_entry); + INIT_LIST_HEAD(&mm->node_list); + INIT_LIST_HEAD(&mm->free_stack); INIT_LIST_HEAD(&mm->unused_nodes); mm->num_unused = 0; + mm->scanned_blocks = 0; spin_lock_init(&mm->unused_lock); return drm_mm_create_tail_node(mm, start, size, 0); @@ -442,25 +547,25 @@ EXPORT_SYMBOL(drm_mm_init); void drm_mm_takedown(struct drm_mm * mm) { - struct list_head *bnode = mm->fl_entry.next; + struct list_head *bnode = mm->free_stack.next; struct drm_mm_node *entry; struct drm_mm_node *next; - entry = list_entry(bnode, struct drm_mm_node, fl_entry); + entry = list_entry(bnode, struct drm_mm_node, free_stack); - if (entry->ml_entry.next != &mm->ml_entry || - entry->fl_entry.next != &mm->fl_entry) { + if (entry->node_list.next != &mm->node_list || + entry->free_stack.next != &mm->free_stack) { DRM_ERROR("Memory manager not clean. Delaying takedown\n"); return; } - list_del(&entry->fl_entry); - list_del(&entry->ml_entry); + list_del(&entry->free_stack); + list_del(&entry->node_list); kfree(entry); spin_lock(&mm->unused_lock); - list_for_each_entry_safe(entry, next, &mm->unused_nodes, fl_entry) { - list_del(&entry->fl_entry); + list_for_each_entry_safe(entry, next, &mm->unused_nodes, free_stack) { + list_del(&entry->free_stack); kfree(entry); --mm->num_unused; } @@ -475,7 +580,7 @@ void drm_mm_debug_table(struct drm_mm *mm, const char *prefix) struct drm_mm_node *entry; int total_used = 0, total_free = 0, total = 0; - list_for_each_entry(entry, &mm->ml_entry, ml_entry) { + list_for_each_entry(entry, &mm->node_list, node_list) { printk(KERN_DEBUG "%s 0x%08lx-0x%08lx: %8ld: %s\n", prefix, entry->start, entry->start + entry->size, entry->size, entry->free ? "free" : "used"); @@ -496,7 +601,7 @@ int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm) struct drm_mm_node *entry; int total_used = 0, total_free = 0, total = 0; - list_for_each_entry(entry, &mm->ml_entry, ml_entry) { + list_for_each_entry(entry, &mm->node_list, node_list) { seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: %s\n", entry->start, entry->start + entry->size, entry->size, entry->free ? "free" : "used"); total += entry->size; if (entry->free) diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 2ea9ad4a8d69..e20f78b542a7 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -124,4 +124,147 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah) EXPORT_SYMBOL(drm_pci_free); +#ifdef CONFIG_PCI +/** + * Register. + * + * \param pdev - PCI device structure + * \param ent entry from the PCI ID table with device type flags + * \return zero on success or a negative number on failure. + * + * Attempt to gets inter module "drm" information. If we are first + * then register the character device and inter module information. + * Try and register, if we fail to register, backout previous work. + */ +int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, + struct drm_driver *driver) +{ + struct drm_device *dev; + int ret; + + DRM_DEBUG("\n"); + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + ret = pci_enable_device(pdev); + if (ret) + goto err_g1; + + pci_set_master(pdev); + + dev->pdev = pdev; + dev->dev = &pdev->dev; + + dev->pci_device = pdev->device; + dev->pci_vendor = pdev->vendor; + +#ifdef __alpha__ + dev->hose = pdev->sysdata; +#endif + + if ((ret = drm_fill_in_dev(dev, ent, driver))) { + printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); + goto err_g2; + } + + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + pci_set_drvdata(pdev, dev); + ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); + if (ret) + goto err_g2; + } + + if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY))) + goto err_g3; + + if (dev->driver->load) { + ret = dev->driver->load(dev, ent->driver_data); + if (ret) + goto err_g4; + } + + /* setup the grouping for the legacy output */ + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + ret = drm_mode_group_init_legacy_group(dev, + &dev->primary->mode_group); + if (ret) + goto err_g4; + } + + list_add_tail(&dev->driver_item, &driver->device_list); + + DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", + driver->name, driver->major, driver->minor, driver->patchlevel, + driver->date, pci_name(pdev), dev->primary->index); + + return 0; + +err_g4: + drm_put_minor(&dev->primary); +err_g3: + if (drm_core_check_feature(dev, DRIVER_MODESET)) + drm_put_minor(&dev->control); +err_g2: + pci_disable_device(pdev); +err_g1: + kfree(dev); + return ret; +} +EXPORT_SYMBOL(drm_get_pci_dev); + +/** + * PCI device initialization. Called via drm_init at module load time, + * + * \return zero on success or a negative number on failure. + * + * Initializes a drm_device structures,registering the + * stubs and initializing the AGP device. + * + * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and + * after the initialization for driver customization. + */ +int drm_pci_init(struct drm_driver *driver) +{ + struct pci_dev *pdev = NULL; + const struct pci_device_id *pid; + int i; + + if (driver->driver_features & DRIVER_MODESET) + return pci_register_driver(&driver->pci_driver); + + /* If not using KMS, fall back to stealth mode manual scanning. */ + for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) { + pid = &driver->pci_driver.id_table[i]; + + /* Loop around setting up a DRM device for each PCI device + * matching our ID and device class. If we had the internal + * function that pci_get_subsys and pci_get_class used, we'd + * be able to just pass pid in instead of doing a two-stage + * thing. + */ + pdev = NULL; + while ((pdev = + pci_get_subsys(pid->vendor, pid->device, pid->subvendor, + pid->subdevice, pdev)) != NULL) { + if ((pdev->class & pid->class_mask) != pid->class) + continue; + + /* stealth mode requires a manual probe */ + pci_dev_get(pdev); + drm_get_pci_dev(pdev, pid, driver); + } + } + return 0; +} + +#else + +int drm_pci_init(struct drm_driver *driver) +{ + return -1; +} + +#endif /*@}*/ diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c new file mode 100644 index 000000000000..460e9a3afa8d --- /dev/null +++ b/drivers/gpu/drm/drm_platform.c @@ -0,0 +1,122 @@ +/* + * Derived from drm_pci.c + * + * Copyright 2003 José Fonseca. + * Copyright 2003 Leif Delgass. + * Copyright (c) 2009, Code Aurora Forum. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Register. + * + * \param platdev - Platform device struture + * \return zero on success or a negative number on failure. + * + * Attempt to gets inter module "drm" information. If we are first + * then register the character device and inter module information. + * Try and register, if we fail to register, backout previous work. + */ + +int drm_get_platform_dev(struct platform_device *platdev, + struct drm_driver *driver) +{ + struct drm_device *dev; + int ret; + + DRM_DEBUG("\n"); + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + dev->platformdev = platdev; + dev->dev = &platdev->dev; + + ret = drm_fill_in_dev(dev, NULL, driver); + + if (ret) { + printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); + goto err_g1; + } + + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + dev_set_drvdata(&platdev->dev, dev); + ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); + if (ret) + goto err_g1; + } + + ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); + if (ret) + goto err_g2; + + if (dev->driver->load) { + ret = dev->driver->load(dev, 0); + if (ret) + goto err_g3; + } + + /* setup the grouping for the legacy output */ + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + ret = drm_mode_group_init_legacy_group(dev, + &dev->primary->mode_group); + if (ret) + goto err_g3; + } + + list_add_tail(&dev->driver_item, &driver->device_list); + + DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", + driver->name, driver->major, driver->minor, driver->patchlevel, + driver->date, dev->primary->index); + + return 0; + +err_g3: + drm_put_minor(&dev->primary); +err_g2: + if (drm_core_check_feature(dev, DRIVER_MODESET)) + drm_put_minor(&dev->control); +err_g1: + kfree(dev); + return ret; +} +EXPORT_SYMBOL(drm_get_platform_dev); + +/** + * Platform device initialization. Called via drm_init at module load time, + * + * \return zero on success or a negative number on failure. + * + * Initializes a drm_device structures,registering the + * stubs + * + * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and + * after the initialization for driver customization. + */ + +int drm_platform_init(struct drm_driver *driver) +{ + return drm_get_platform_dev(driver->platform_device, driver); +} diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index a0c365f2e521..63575e2fa882 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -224,7 +224,7 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, return 0; } -static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, +int drm_fill_in_dev(struct drm_device *dev, const struct pci_device_id *ent, struct drm_driver *driver) { @@ -245,14 +245,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, idr_init(&dev->drw_idr); - dev->pdev = pdev; - dev->pci_device = pdev->device; - dev->pci_vendor = pdev->vendor; - -#ifdef __alpha__ - dev->hose = pdev->sysdata; -#endif - if (drm_ht_create(&dev->map_hash, 12)) { return -ENOMEM; } @@ -321,7 +313,7 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev, * create the proc init entry via proc_init(). This routines assigns * minor numbers to secondary heads of multi-headed cards */ -static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type) +int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type) { struct drm_minor *new_minor; int ret; @@ -388,83 +380,6 @@ err_idr: } /** - * Register. - * - * \param pdev - PCI device structure - * \param ent entry from the PCI ID table with device type flags - * \return zero on success or a negative number on failure. - * - * Attempt to gets inter module "drm" information. If we are first - * then register the character device and inter module information. - * Try and register, if we fail to register, backout previous work. - */ -int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, - struct drm_driver *driver) -{ - struct drm_device *dev; - int ret; - - DRM_DEBUG("\n"); - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) - return -ENOMEM; - - ret = pci_enable_device(pdev); - if (ret) - goto err_g1; - - pci_set_master(pdev); - if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) { - printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); - goto err_g2; - } - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - pci_set_drvdata(pdev, dev); - ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); - if (ret) - goto err_g2; - } - - if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY))) - goto err_g3; - - if (dev->driver->load) { - ret = dev->driver->load(dev, ent->driver_data); - if (ret) - goto err_g4; - } - - /* setup the grouping for the legacy output */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); - if (ret) - goto err_g4; - } - - list_add_tail(&dev->driver_item, &driver->device_list); - - DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", - driver->name, driver->major, driver->minor, driver->patchlevel, - driver->date, pci_name(pdev), dev->primary->index); - - return 0; - -err_g4: - drm_put_minor(&dev->primary); -err_g3: - if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_put_minor(&dev->control); -err_g2: - pci_disable_device(pdev); -err_g1: - kfree(dev); - return ret; -} -EXPORT_SYMBOL(drm_get_dev); - -/** * Put a secondary minor number. * * \param sec_minor - structure to be released diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 101d381e9d86..86118a742231 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -489,7 +489,8 @@ int drm_sysfs_device_add(struct drm_minor *minor) int err; char *minor_str; - minor->kdev.parent = &minor->dev->pdev->dev; + minor->kdev.parent = minor->dev->dev; + minor->kdev.class = drm_class; minor->kdev.release = drm_sysfs_device_release; minor->kdev.devt = minor->device; diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index c3b13fb41d0c..3778360eceea 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -61,7 +61,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma) tmp = pgprot_writecombine(tmp); else tmp = pgprot_noncached(tmp); -#elif defined(__sparc__) +#elif defined(__sparc__) || defined(__arm__) tmp = pgprot_noncached(tmp); #endif return tmp; @@ -601,6 +601,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) } switch (map->type) { +#if !defined(__arm__) case _DRM_AGP: if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) { /* @@ -615,20 +616,31 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) break; } /* fall through to _DRM_FRAME_BUFFER... */ +#endif case _DRM_FRAME_BUFFER: case _DRM_REGISTERS: offset = dev->driver->get_reg_ofs(dev); vma->vm_flags |= VM_IO; /* not in core dump */ vma->vm_page_prot = drm_io_prot(map->type, vma); +#if !defined(__arm__) if (io_remap_pfn_range(vma, vma->vm_start, (map->offset + offset) >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot)) return -EAGAIN; +#else + if (remap_pfn_range(vma, vma->vm_start, + (map->offset + offset) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) + return -EAGAIN; +#endif + DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," " offset = 0x%llx\n", map->type, vma->vm_start, vma->vm_end, (unsigned long long)(map->offset + offset)); + vma->vm_ops = &drm_vm_ops; break; case _DRM_CONSISTENT: diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f00c5ae9556c..92898035845d 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -34,6 +34,7 @@ #include "i915_drm.h" #include "i915_drv.h" #include "i915_trace.h" +#include <linux/pci.h> #include <linux/vgaarb.h> #include <linux/acpi.h> #include <linux/pnp.h> @@ -1354,7 +1355,7 @@ static int i915_load_modeset_init(struct drm_device *dev, int fb_bar = IS_I9XX(dev) ? 2 : 0; int ret = 0; - dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) & + dev->mode_config.fb_base = pci_resource_start(dev->pdev, fb_bar) & 0xff000000; /* Basic memrange allocator for stolen space (aka vram) */ @@ -2063,8 +2064,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) /* Add register map (needed for suspend/resume) */ mmio_bar = IS_I9XX(dev) ? 0 : 1; - base = drm_get_resource_start(dev, mmio_bar); - size = drm_get_resource_len(dev, mmio_bar); + base = pci_resource_start(dev->pdev, mmio_bar); + size = pci_resource_len(dev->pdev, mmio_bar); if (i915_get_bridge_dev(dev)) { ret = -EIO; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 423dc90c1e20..65d3f3e8475b 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -413,7 +413,7 @@ int i965_reset(struct drm_device *dev, u8 flags) static int __devinit i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - return drm_get_dev(pdev, ent, &driver); + return drm_get_pci_dev(pdev, ent, &driver); } static void diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 074385882ccf..75061b305b8c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2633,10 +2633,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment) if (free_space != NULL) { obj_priv->gtt_space = drm_mm_get_block(free_space, obj->size, alignment); - if (obj_priv->gtt_space != NULL) { - obj_priv->gtt_space->private = obj; + if (obj_priv->gtt_space != NULL) obj_priv->gtt_offset = obj_priv->gtt_space->start; - } } if (obj_priv->gtt_space == NULL) { /* If the gtt is empty and we're still having trouble diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c index 3c917fb3a60b..ccc129c328a4 100644 --- a/drivers/gpu/drm/mga/mga_dma.c +++ b/drivers/gpu/drm/mga/mga_dma.c @@ -405,8 +405,8 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags) dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; dev_priv->chipset = flags; - dev_priv->mmio_base = drm_get_resource_start(dev, 1); - dev_priv->mmio_size = drm_get_resource_len(dev, 1); + dev_priv->mmio_base = pci_resource_start(dev->pdev, 1); + dev_priv->mmio_size = pci_resource_len(dev->pdev, 1); dev->counters += 3; dev->types[6] = _DRM_STAT_IRQ; diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 6f3c19522377..9f5ab4677758 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -783,7 +783,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) break; case TTM_PL_VRAM: mem->bus.offset = mem->mm_node->start << PAGE_SHIFT; - mem->bus.base = drm_get_resource_start(dev, 1); + mem->bus.base = pci_resource_start(dev->pdev, 1); mem->bus.is_iomem = true; break; default: diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index 1fc57ef58295..06555c7cde50 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -62,7 +62,8 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan) * VRAM. */ ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, - drm_get_resource_start(dev, 1), + pci_resource_start(dev->pdev, + 1), dev_priv->fb_available_size, NV_DMA_ACCESS_RO, NV_DMA_TARGET_PCI, &pushbuf); diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 273770432298..0fd8e10dbbde 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -132,7 +132,7 @@ static struct drm_driver driver; static int __devinit nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - return drm_get_dev(pdev, ent, &driver); + return drm_get_pci_dev(pdev, ent, &driver); } static void diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index c1fd42b0dad1..fb6b791506b2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -471,8 +471,9 @@ void nouveau_mem_close(struct drm_device *dev) } if (dev_priv->fb_mtrr) { - drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1), - drm_get_resource_len(dev, 1), DRM_MTRR_WC); + drm_mtrr_del(dev_priv->fb_mtrr, + pci_resource_start(dev->pdev, 1), + pci_resource_len(dev->pdev, 1), DRM_MTRR_WC); dev_priv->fb_mtrr = 0; } } @@ -633,7 +634,7 @@ nouveau_mem_init(struct drm_device *dev) struct ttm_bo_device *bdev = &dev_priv->ttm.bdev; int ret, dma_bits = 32; - dev_priv->fb_phys = drm_get_resource_start(dev, 1); + dev_priv->fb_phys = pci_resource_start(dev->pdev, 1); dev_priv->gart_info.type = NOUVEAU_GART_NONE; if (dev_priv->card_type >= NV_50 && @@ -665,8 +666,9 @@ nouveau_mem_init(struct drm_device *dev) dev_priv->fb_available_size = dev_priv->vram_size; dev_priv->fb_mappable_pages = dev_priv->fb_available_size; - if (dev_priv->fb_mappable_pages > drm_get_resource_len(dev, 1)) - dev_priv->fb_mappable_pages = drm_get_resource_len(dev, 1); + if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1)) + dev_priv->fb_mappable_pages = + pci_resource_len(dev->pdev, 1); dev_priv->fb_mappable_pages >>= PAGE_SHIFT; /* remove reserved space at end of vram from available amount */ @@ -718,8 +720,8 @@ nouveau_mem_init(struct drm_device *dev) return ret; } - dev_priv->fb_mtrr = drm_mtrr_add(drm_get_resource_start(dev, 1), - drm_get_resource_len(dev, 1), + dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1), + pci_resource_len(dev->pdev, 1), DRM_MTRR_WC); return 0; diff --git a/drivers/gpu/drm/nouveau/nv20_graph.c b/drivers/gpu/drm/nouveau/nv20_graph.c index d6fc0a82f03d..fe2349b115f0 100644 --- a/drivers/gpu/drm/nouveau/nv20_graph.c +++ b/drivers/gpu/drm/nouveau/nv20_graph.c @@ -616,7 +616,7 @@ nv20_graph_init(struct drm_device *dev) nv_wr32(dev, NV10_PGRAPH_SURFACE, tmp); /* begin RAM config */ - vramsz = drm_get_resource_len(dev, 0) - 1; + vramsz = pci_resource_len(dev->pdev, 0) - 1; nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0)); nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1)); nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0000); @@ -717,7 +717,7 @@ nv30_graph_init(struct drm_device *dev) nv_wr32(dev, 0x0040075c , 0x00000001); /* begin RAM config */ - /* vramsz = drm_get_resource_len(dev, 0) - 1; */ + /* vramsz = pci_resource_len(dev->pdev, 0) - 1; */ nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0)); nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1)); if (dev_priv->chipset != 0x34) { diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c index 704a25d04ac9..65b13b54c5ae 100644 --- a/drivers/gpu/drm/nouveau/nv40_graph.c +++ b/drivers/gpu/drm/nouveau/nv40_graph.c @@ -367,7 +367,7 @@ nv40_graph_init(struct drm_device *dev) nv40_graph_set_region_tiling(dev, i, 0, 0, 0); /* begin RAM config */ - vramsz = drm_get_resource_len(dev, 0) - 1; + vramsz = pci_resource_len(dev->pdev, 0) - 1; switch (dev_priv->chipset) { case 0x40: nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0)); diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index 5f21df31f3aa..71c01b6e5731 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -241,7 +241,7 @@ nv50_instmem_init(struct drm_device *dev) return ret; BAR0_WI32(priv->fb_bar->gpuobj, 0x00, 0x7fc00000); BAR0_WI32(priv->fb_bar->gpuobj, 0x04, 0x40000000 + - drm_get_resource_len(dev, 1) - 1); + pci_resource_len(dev->pdev, 1) - 1); BAR0_WI32(priv->fb_bar->gpuobj, 0x08, 0x40000000); BAR0_WI32(priv->fb_bar->gpuobj, 0x0c, 0x00000000); BAR0_WI32(priv->fb_bar->gpuobj, 0x10, 0x00000000); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 1caf625e472b..057192acdd36 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1334,8 +1334,8 @@ int evergreen_mc_init(struct radeon_device *rdev) } rdev->mc.vram_width = numchan * chansize; /* Could aper size report 0 ? */ - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* Setup GPU memory space */ /* size in MB on evergreen */ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 3970e62eaab8..ab37717a5d39 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -2297,8 +2297,8 @@ void r100_vram_init_sizes(struct radeon_device *rdev) u64 config_aper_size; /* work out accessible VRAM */ - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev); /* FIXME we don't use the second aperture yet when we could use it */ if (rdev->mc.visible_vram_size > rdev->mc.aper_size) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 3d6645ce2151..a73a6e17588d 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1216,8 +1216,8 @@ int r600_mc_init(struct radeon_device *rdev) } rdev->mc.vram_width = numchan * chansize; /* Could aper size report 0 ? */ - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* Setup GPU memory space */ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 2c9213739999..654787ec43f4 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -53,7 +53,7 @@ static bool igp_read_bios_from_vram(struct radeon_device *rdev) return false; rdev->bios = NULL; - vram_base = drm_get_resource_start(rdev->ddev, 0); + vram_base = pci_resource_start(rdev->pdev, 0); bios = ioremap(vram_base, size); if (!bios) { return false; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 0c7ccc6961a3..f58f8bd8f77b 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -785,7 +785,9 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect if (connector == list_connector) continue; list_radeon_connector = to_radeon_connector(list_connector); - if (radeon_connector->devices == list_radeon_connector->devices) { + if (list_radeon_connector->shared_ddc && + (list_radeon_connector->ddc_bus->rec.i2c_id == + radeon_connector->ddc_bus->rec.i2c_id)) { if (drm_detect_hdmi_monitor(radeon_connector->edid)) { if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) { kfree(radeon_connector->edid); diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 2f042a3c0e62..eb6b9eed7349 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -2120,8 +2120,8 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags) else dev_priv->flags |= RADEON_IS_PCI; - ret = drm_addmap(dev, drm_get_resource_start(dev, 2), - drm_get_resource_len(dev, 2), _DRM_REGISTERS, + ret = drm_addmap(dev, pci_resource_start(dev->pdev, 2), + pci_resource_len(dev->pdev, 2), _DRM_REGISTERS, _DRM_READ_ONLY | _DRM_DRIVER, &dev_priv->mmio); if (ret != 0) return ret; @@ -2194,9 +2194,9 @@ int radeon_driver_firstopen(struct drm_device *dev) dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE; - dev_priv->fb_aper_offset = drm_get_resource_start(dev, 0); + dev_priv->fb_aper_offset = pci_resource_start(dev->pdev, 0); ret = drm_addmap(dev, dev_priv->fb_aper_offset, - drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER, + pci_resource_len(dev->pdev, 0), _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING, &map); if (ret != 0) return ret; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 5f317317aba2..37533bec1f25 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -650,8 +650,8 @@ int radeon_device_init(struct radeon_device *rdev, /* Registers mapping */ /* TODO: block userspace mapping of io register */ - rdev->rmmio_base = drm_get_resource_start(rdev->ddev, 2); - rdev->rmmio_size = drm_get_resource_len(rdev->ddev, 2); + rdev->rmmio_base = pci_resource_start(rdev->pdev, 2); + rdev->rmmio_size = pci_resource_len(rdev->pdev, 2); rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size); if (rdev->rmmio == NULL) { return -ENOMEM; diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index e166fe4d7c30..ed0ceb3fc40a 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -238,7 +238,7 @@ static struct drm_driver kms_driver; static int __devinit radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - return drm_get_dev(pdev, ent, &kms_driver); + return drm_get_pci_dev(pdev, ent, &kms_driver); } static void diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 7bb4c3e52f3b..5ce3ccc7a423 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -686,8 +686,8 @@ void rs600_mc_init(struct radeon_device *rdev) { u64 base; - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); rdev->mc.vram_is_ddr = true; rdev->mc.vram_width = 128; rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index f4f0a61bcdce..5fea094ed8cb 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -154,8 +154,8 @@ void rs690_mc_init(struct radeon_device *rdev) rdev->mc.vram_width = 128; rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); rdev->mc.mc_vram_size = rdev->mc.real_vram_size; - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); rdev->mc.visible_vram_size = rdev->mc.aper_size; base = RREG32_MC(R_000100_MCCFG_FB_LOCATION); base = G_000100_MC_FB_START(base) << 16; diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index b7fd82064922..6a7bf1091971 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -919,8 +919,8 @@ int rv770_mc_init(struct radeon_device *rdev) } rdev->mc.vram_width = numchan * chansize; /* Could aper size report 0 ? */ - rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); - rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); + rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); + rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* Setup GPU memory space */ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); diff --git a/drivers/gpu/drm/savage/savage_bci.c b/drivers/gpu/drm/savage/savage_bci.c index 2d0c9ca484c5..f576232846c3 100644 --- a/drivers/gpu/drm/savage/savage_bci.c +++ b/drivers/gpu/drm/savage/savage_bci.c @@ -573,13 +573,13 @@ int savage_driver_firstopen(struct drm_device *dev) dev_priv->mtrr[2].handle = -1; if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { fb_rsrc = 0; - fb_base = drm_get_resource_start(dev, 0); + fb_base = pci_resource_start(dev->pdev, 0); fb_size = SAVAGE_FB_SIZE_S3; mmio_base = fb_base + SAVAGE_FB_SIZE_S3; aper_rsrc = 0; aperture_base = fb_base + SAVAGE_APERTURE_OFFSET; /* this should always be true */ - if (drm_get_resource_len(dev, 0) == 0x08000000) { + if (pci_resource_len(dev->pdev, 0) == 0x08000000) { /* Don't make MMIO write-cobining! We need 3 * MTRRs. */ dev_priv->mtrr[0].base = fb_base; @@ -599,18 +599,19 @@ int savage_driver_firstopen(struct drm_device *dev) dev_priv->mtrr[2].size, DRM_MTRR_WC); } else { DRM_ERROR("strange pci_resource_len %08llx\n", - (unsigned long long)drm_get_resource_len(dev, 0)); + (unsigned long long) + pci_resource_len(dev->pdev, 0)); } } else if (dev_priv->chipset != S3_SUPERSAVAGE && dev_priv->chipset != S3_SAVAGE2000) { - mmio_base = drm_get_resource_start(dev, 0); + mmio_base = pci_resource_start(dev->pdev, 0); fb_rsrc = 1; - fb_base = drm_get_resource_start(dev, 1); + fb_base = pci_resource_start(dev->pdev, 1); fb_size = SAVAGE_FB_SIZE_S4; aper_rsrc = 1; aperture_base = fb_base + SAVAGE_APERTURE_OFFSET; /* this should always be true */ - if (drm_get_resource_len(dev, 1) == 0x08000000) { + if (pci_resource_len(dev->pdev, 1) == 0x08000000) { /* Can use one MTRR to cover both fb and * aperture. */ dev_priv->mtrr[0].base = fb_base; @@ -620,15 +621,16 @@ int savage_driver_firstopen(struct drm_device *dev) dev_priv->mtrr[0].size, DRM_MTRR_WC); } else { DRM_ERROR("strange pci_resource_len %08llx\n", - (unsigned long long)drm_get_resource_len(dev, 1)); + (unsigned long long) + pci_resource_len(dev->pdev, 1)); } } else { - mmio_base = drm_get_resource_start(dev, 0); + mmio_base = pci_resource_start(dev->pdev, 0); fb_rsrc = 1; - fb_base = drm_get_resource_start(dev, 1); - fb_size = drm_get_resource_len(dev, 1); + fb_base = pci_resource_start(dev->pdev, 1); + fb_size = pci_resource_len(dev->pdev, 1); aper_rsrc = 2; - aperture_base = drm_get_resource_start(dev, 2); + aperture_base = pci_resource_start(dev->pdev, 2); /* Automatic MTRR setup will do the right thing. */ } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 555ebb12ace8..9763288c6b2d 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -476,7 +476,6 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, bool remove_all) ++put_count; } if (bo->mem.mm_node) { - bo->mem.mm_node->private = NULL; drm_mm_put_block(bo->mem.mm_node); bo->mem.mm_node = NULL; } @@ -670,7 +669,6 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible, printk(KERN_ERR TTM_PFX "Buffer eviction failed\n"); spin_lock(&glob->lru_lock); if (evict_mem.mm_node) { - evict_mem.mm_node->private = NULL; drm_mm_put_block(evict_mem.mm_node); evict_mem.mm_node = NULL; } @@ -929,8 +927,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, mem->mm_node = node; mem->mem_type = mem_type; mem->placement = cur_flags; - if (node) - node->private = bo; return 0; } @@ -973,7 +969,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, interruptible, no_wait_reserve, no_wait_gpu); if (ret == 0 && mem->mm_node) { mem->placement = cur_flags; - mem->mm_node->private = bo; return 0; } if (ret == -ERESTARTSYS) @@ -1029,7 +1024,6 @@ int ttm_bo_move_buffer(struct ttm_buffer_object *bo, out_unlock: if (ret && mem.mm_node) { spin_lock(&glob->lru_lock); - mem.mm_node->private = NULL; drm_mm_put_block(mem.mm_node); spin_unlock(&glob->lru_lock); } diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 13012a1f1486..7cffb3e04232 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -353,8 +353,6 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, fbo->vm_node = NULL; fbo->sync_obj = driver->sync_obj_ref(bo->sync_obj); - if (fbo->mem.mm_node) - fbo->mem.mm_node->private = (void *)fbo; kref_init(&fbo->list_kref); kref_init(&fbo->kref); fbo->destroy = &ttm_transfered_destroy; diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 2f047577b1e3..b1d67dc973dc 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -104,7 +104,6 @@ struct ttm_pool_opts { struct ttm_pool_manager { struct kobject kobj; struct shrinker mm_shrink; - atomic_t page_alloc_inited; struct ttm_pool_opts options; union { @@ -142,7 +141,7 @@ static void ttm_pool_kobj_release(struct kobject *kobj) { struct ttm_pool_manager *m = container_of(kobj, struct ttm_pool_manager, kobj); - (void)m; + kfree(m); } static ssize_t ttm_pool_store(struct kobject *kobj, @@ -214,9 +213,7 @@ static struct kobj_type ttm_pool_kobj_type = { .default_attrs = ttm_pool_attrs, }; -static struct ttm_pool_manager _manager = { - .page_alloc_inited = ATOMIC_INIT(0) -}; +static struct ttm_pool_manager *_manager; #ifndef CONFIG_X86 static int set_pages_array_wb(struct page **pages, int addrinarray) @@ -271,7 +268,7 @@ static struct ttm_page_pool *ttm_get_pool(int flags, if (flags & TTM_PAGE_FLAG_DMA32) pool_index |= 0x2; - return &_manager.pools[pool_index]; + return &_manager->pools[pool_index]; } /* set memory back to wb and free the pages. */ @@ -387,7 +384,7 @@ static int ttm_pool_get_num_unused_pages(void) unsigned i; int total = 0; for (i = 0; i < NUM_POOLS; ++i) - total += _manager.pools[i].npages; + total += _manager->pools[i].npages; return total; } @@ -408,7 +405,7 @@ static int ttm_pool_mm_shrink(int shrink_pages, gfp_t gfp_mask) unsigned nr_free = shrink_pages; if (shrink_pages == 0) break; - pool = &_manager.pools[(i + pool_offset)%NUM_POOLS]; + pool = &_manager->pools[(i + pool_offset)%NUM_POOLS]; shrink_pages = ttm_page_pool_free(pool, nr_free); } /* return estimated number of unused pages in pool */ @@ -576,10 +573,10 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool, /* If allocation request is small and there is not enough * pages in pool we fill the pool first */ - if (count < _manager.options.small + if (count < _manager->options.small && count > pool->npages) { struct list_head new_pages; - unsigned alloc_size = _manager.options.alloc_size; + unsigned alloc_size = _manager->options.alloc_size; /** * Can't change page caching if in irqsave context. We have to @@ -759,8 +756,8 @@ void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags, pool->npages += page_count; /* Check that we don't go over the pool limit */ page_count = 0; - if (pool->npages > _manager.options.max_size) { - page_count = pool->npages - _manager.options.max_size; + if (pool->npages > _manager->options.max_size) { + page_count = pool->npages - _manager->options.max_size; /* free at least NUM_PAGES_TO_ALLOC number of pages * to reduce calls to set_memory_wb */ if (page_count < NUM_PAGES_TO_ALLOC) @@ -785,33 +782,36 @@ static void ttm_page_pool_init_locked(struct ttm_page_pool *pool, int flags, int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages) { int ret; - if (atomic_add_return(1, &_manager.page_alloc_inited) > 1) - return 0; + + WARN_ON(_manager); printk(KERN_INFO TTM_PFX "Initializing pool allocator.\n"); - ttm_page_pool_init_locked(&_manager.wc_pool, GFP_HIGHUSER, "wc"); + _manager = kzalloc(sizeof(*_manager), GFP_KERNEL); - ttm_page_pool_init_locked(&_manager.uc_pool, GFP_HIGHUSER, "uc"); + ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc"); - ttm_page_pool_init_locked(&_manager.wc_pool_dma32, GFP_USER | GFP_DMA32, - "wc dma"); + ttm_page_pool_init_locked(&_manager->uc_pool, GFP_HIGHUSER, "uc"); - ttm_page_pool_init_locked(&_manager.uc_pool_dma32, GFP_USER | GFP_DMA32, - "uc dma"); + ttm_page_pool_init_locked(&_manager->wc_pool_dma32, + GFP_USER | GFP_DMA32, "wc dma"); - _manager.options.max_size = max_pages; - _manager.options.small = SMALL_ALLOCATION; - _manager.options.alloc_size = NUM_PAGES_TO_ALLOC; + ttm_page_pool_init_locked(&_manager->uc_pool_dma32, + GFP_USER | GFP_DMA32, "uc dma"); - kobject_init(&_manager.kobj, &ttm_pool_kobj_type); - ret = kobject_add(&_manager.kobj, &glob->kobj, "pool"); + _manager->options.max_size = max_pages; + _manager->options.small = SMALL_ALLOCATION; + _manager->options.alloc_size = NUM_PAGES_TO_ALLOC; + + ret = kobject_init_and_add(&_manager->kobj, &ttm_pool_kobj_type, + &glob->kobj, "pool"); if (unlikely(ret != 0)) { - kobject_put(&_manager.kobj); + kobject_put(&_manager->kobj); + _manager = NULL; return ret; } - ttm_pool_mm_shrink_init(&_manager); + ttm_pool_mm_shrink_init(_manager); return 0; } @@ -820,16 +820,14 @@ void ttm_page_alloc_fini() { int i; - if (atomic_sub_return(1, &_manager.page_alloc_inited) > 0) - return; - printk(KERN_INFO TTM_PFX "Finalizing pool allocator.\n"); - ttm_pool_mm_shrink_fini(&_manager); + ttm_pool_mm_shrink_fini(_manager); for (i = 0; i < NUM_POOLS; ++i) - ttm_page_pool_free(&_manager.pools[i], FREE_ALL_PAGES); + ttm_page_pool_free(&_manager->pools[i], FREE_ALL_PAGES); - kobject_put(&_manager.kobj); + kobject_put(&_manager->kobj); + _manager = NULL; } int ttm_page_alloc_debugfs(struct seq_file *m, void *data) @@ -837,14 +835,14 @@ int ttm_page_alloc_debugfs(struct seq_file *m, void *data) struct ttm_page_pool *p; unsigned i; char *h[] = {"pool", "refills", "pages freed", "size"}; - if (atomic_read(&_manager.page_alloc_inited) == 0) { + if (!_manager) { seq_printf(m, "No pool allocator running.\n"); return 0; } seq_printf(m, "%6s %12s %13s %8s\n", h[0], h[1], h[2], h[3]); for (i = 0; i < NUM_POOLS; ++i) { - p = &_manager.pools[i]; + p = &_manager->pools[i]; seq_printf(m, "%6s %12ld %13ld %8d\n", p->name, p->nrefills, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index b793c8c9acb3..9dd395b90216 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -764,7 +764,7 @@ static struct drm_driver driver = { static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - return drm_get_dev(pdev, ent, &driver); + return drm_get_pci_dev(pdev, ent, &driver); } static int __init vmwgfx_init(void) diff --git a/drivers/power/z2_battery.c b/drivers/power/z2_battery.c index 9cca465436e3..85064a9f649e 100644 --- a/drivers/power/z2_battery.c +++ b/drivers/power/z2_battery.c @@ -9,19 +9,13 @@ * */ -#include <linux/init.h> -#include <linux/kernel.h> #include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/power_supply.h> -#include <linux/i2c.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> #include <linux/gpio.h> +#include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <asm/irq.h> -#include <asm/mach/irq.h> +#include <linux/power_supply.h> +#include <linux/slab.h> #include <linux/z2_battery.h> #define Z2_DEFAULT_NAME "Z2" diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index 846b75aeb2ab..e7839ee49e43 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -128,13 +128,12 @@ xfs_nfs_get_inode( return ERR_PTR(-ESTALE); /* - * The XFS_IGET_BULKSTAT means that an invalid inode number is just - * fine and not an indication of a corrupted filesystem. Because - * clients can send any kind of invalid file handle, e.g. after - * a restore on the server we have to deal with this case gracefully. + * The XFS_IGET_UNTRUSTED means that an invalid inode number is just + * fine and not an indication of a corrupted filesystem as clients can + * send invalid file handles and we have to handle it gracefully.. */ - error = xfs_iget(mp, NULL, ino, XFS_IGET_BULKSTAT, - XFS_ILOCK_SHARED, &ip, 0); + error = xfs_iget(mp, NULL, ino, XFS_IGET_UNTRUSTED, + XFS_ILOCK_SHARED, &ip); if (error) { /* * EINVAL means the inode cluster doesn't exist anymore. diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 699b60cbab9c..e59a81062830 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -679,10 +679,9 @@ xfs_ioc_bulkstat( error = xfs_bulkstat_single(mp, &inlast, bulkreq.ubuffer, &done); else /* XFS_IOC_FSBULKSTAT */ - error = xfs_bulkstat(mp, &inlast, &count, - (bulkstat_one_pf)xfs_bulkstat_one, NULL, - sizeof(xfs_bstat_t), bulkreq.ubuffer, - BULKSTAT_FG_QUICK, &done); + error = xfs_bulkstat(mp, &inlast, &count, xfs_bulkstat_one, + sizeof(xfs_bstat_t), bulkreq.ubuffer, + &done); if (error) return -error; diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index 9287135e9bfc..52ed49e6465c 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -237,15 +237,12 @@ xfs_bulkstat_one_compat( xfs_ino_t ino, /* inode number to get data for */ void __user *buffer, /* buffer to place output in */ int ubsize, /* size of buffer */ - void *private_data, /* my private data */ - xfs_daddr_t bno, /* starting bno of inode cluster */ int *ubused, /* bytes used by me */ - void *dibuff, /* on-disk inode buffer */ int *stat) /* BULKSTAT_RV_... */ { return xfs_bulkstat_one_int(mp, ino, buffer, ubsize, - xfs_bulkstat_one_fmt_compat, bno, - ubused, dibuff, stat); + xfs_bulkstat_one_fmt_compat, + ubused, stat); } /* copied from xfs_ioctl.c */ @@ -298,13 +295,11 @@ xfs_compat_ioc_bulkstat( int res; error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer, - sizeof(compat_xfs_bstat_t), - NULL, 0, NULL, NULL, &res); + sizeof(compat_xfs_bstat_t), 0, &res); } else if (cmd == XFS_IOC_FSBULKSTAT_32) { error = xfs_bulkstat(mp, &inlast, &count, - xfs_bulkstat_one_compat, NULL, - sizeof(compat_xfs_bstat_t), bulkreq.ubuffer, - BULKSTAT_FG_QUICK, &done); + xfs_bulkstat_one_compat, sizeof(compat_xfs_bstat_t), + bulkreq.ubuffer, &done); } else error = XFS_ERROR(EINVAL); if (error) diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 2d8b7bc792c9..8c117ff2e3ab 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -1632,10 +1632,7 @@ xfs_qm_dqusage_adjust( xfs_ino_t ino, /* inode number to get data for */ void __user *buffer, /* not used */ int ubsize, /* not used */ - void *private_data, /* not used */ - xfs_daddr_t bno, /* starting block of inode cluster */ int *ubused, /* not used */ - void *dip, /* on-disk inode pointer (not used) */ int *res) /* result code value */ { xfs_inode_t *ip; @@ -1660,7 +1657,7 @@ xfs_qm_dqusage_adjust( * the case in all other instances. It's OK that we do this because * quotacheck is done only at mount time. */ - if ((error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_EXCL, &ip, bno))) { + if ((error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_EXCL, &ip))) { *res = BULKSTAT_RV_NOTHING; return error; } @@ -1796,12 +1793,13 @@ xfs_qm_quotacheck( * Iterate thru all the inodes in the file system, * adjusting the corresponding dquot counters in core. */ - if ((error = xfs_bulkstat(mp, &lastino, &count, - xfs_qm_dqusage_adjust, NULL, - structsz, NULL, BULKSTAT_FG_IGET, &done))) + error = xfs_bulkstat(mp, &lastino, &count, + xfs_qm_dqusage_adjust, + structsz, NULL, &done); + if (error) break; - } while (! done); + } while (!done); /* * We've made all the changes that we need to make incore. @@ -1889,14 +1887,14 @@ xfs_qm_init_quotainos( mp->m_sb.sb_uquotino != NULLFSINO) { ASSERT(mp->m_sb.sb_uquotino > 0); if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, - 0, 0, &uip, 0))) + 0, 0, &uip))) return XFS_ERROR(error); } if (XFS_IS_OQUOTA_ON(mp) && mp->m_sb.sb_gquotino != NULLFSINO) { ASSERT(mp->m_sb.sb_gquotino > 0); if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, - 0, 0, &gip, 0))) { + 0, 0, &gip))) { if (uip) IRELE(uip); return XFS_ERROR(error); diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 92b002f1805f..b4487764e923 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -262,7 +262,7 @@ xfs_qm_scall_trunc_qfiles( } if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { - error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); + error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip); if (!error) { error = xfs_truncate_file(mp, qip); IRELE(qip); @@ -271,7 +271,7 @@ xfs_qm_scall_trunc_qfiles( if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) && mp->m_sb.sb_gquotino != NULLFSINO) { - error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); + error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip); if (!error2) { error2 = xfs_truncate_file(mp, qip); IRELE(qip); @@ -417,12 +417,12 @@ xfs_qm_scall_getqstat( } if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, - 0, 0, &uip, 0) == 0) + 0, 0, &uip) == 0) tempuqip = B_TRUE; } if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, - 0, 0, &gip, 0) == 0) + 0, 0, &gip) == 0) tempgqip = B_TRUE; } if (uip) { @@ -1109,10 +1109,7 @@ xfs_qm_internalqcheck_adjust( xfs_ino_t ino, /* inode number to get data for */ void __user *buffer, /* not used */ int ubsize, /* not used */ - void *private_data, /* not used */ - xfs_daddr_t bno, /* starting block of inode cluster */ int *ubused, /* not used */ - void *dip, /* not used */ int *res) /* bulkstat result code */ { xfs_inode_t *ip; @@ -1134,7 +1131,7 @@ xfs_qm_internalqcheck_adjust( ipreleased = B_FALSE; again: lock_flags = XFS_ILOCK_SHARED; - if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { + if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip))) { *res = BULKSTAT_RV_NOTHING; return (error); } @@ -1205,15 +1202,15 @@ xfs_qm_internalqcheck( * Iterate thru all the inodes in the file system, * adjusting the corresponding dquot counters */ - if ((error = xfs_bulkstat(mp, &lastino, &count, - xfs_qm_internalqcheck_adjust, NULL, - 0, NULL, BULKSTAT_FG_IGET, &done))) { + error = xfs_bulkstat(mp, &lastino, &count, + xfs_qm_internalqcheck_adjust, + 0, NULL, &done); + if (error) { + cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); break; } - } while (! done); - if (error) { - cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); - } + } while (!done); + cmn_err(CE_DEBUG, "Checking results against system dquots"); for (i = 0; i < qmtest_hashmask; i++) { xfs_dqtest_t *d, *n; diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index 5bba29a07812..7f159d2a429a 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -69,7 +69,9 @@ xfs_swapext( goto out; } - if (!(file->f_mode & FMODE_WRITE) || (file->f_flags & O_APPEND)) { + if (!(file->f_mode & FMODE_WRITE) || + !(file->f_mode & FMODE_READ) || + (file->f_flags & O_APPEND)) { error = XFS_ERROR(EBADF); goto out_put_file; } @@ -81,6 +83,7 @@ xfs_swapext( } if (!(tmp_file->f_mode & FMODE_WRITE) || + !(tmp_file->f_mode & FMODE_READ) || (tmp_file->f_flags & O_APPEND)) { error = XFS_ERROR(EBADF); goto out_put_tmp_file; diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 9d884c127bb9..c7142a064c48 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -1203,6 +1203,63 @@ error0: return error; } +STATIC int +xfs_imap_lookup( + struct xfs_mount *mp, + struct xfs_trans *tp, + xfs_agnumber_t agno, + xfs_agino_t agino, + xfs_agblock_t agbno, + xfs_agblock_t *chunk_agbno, + xfs_agblock_t *offset_agbno, + int flags) +{ + struct xfs_inobt_rec_incore rec; + struct xfs_btree_cur *cur; + struct xfs_buf *agbp; + xfs_agino_t startino; + int error; + int i; + + error = xfs_ialloc_read_agi(mp, tp, agno, &agbp); + if (error) { + xfs_fs_cmn_err(CE_ALERT, mp, "xfs_imap: " + "xfs_ialloc_read_agi() returned " + "error %d, agno %d", + error, agno); + return error; + } + + /* + * derive and lookup the exact inode record for the given agino. If the + * record cannot be found, then it's an invalid inode number and we + * should abort. + */ + cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); + startino = agino & ~(XFS_IALLOC_INODES(mp) - 1); + error = xfs_inobt_lookup(cur, startino, XFS_LOOKUP_EQ, &i); + if (!error) { + if (i) + error = xfs_inobt_get_rec(cur, &rec, &i); + if (!error && i == 0) + error = EINVAL; + } + + xfs_trans_brelse(tp, agbp); + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + if (error) + return error; + + /* for untrusted inodes check it is allocated first */ + if ((flags & XFS_IGET_UNTRUSTED) && + (rec.ir_free & XFS_INOBT_MASK(agino - rec.ir_startino))) + return EINVAL; + + *chunk_agbno = XFS_AGINO_TO_AGBNO(mp, rec.ir_startino); + *offset_agbno = agbno - *chunk_agbno; + return 0; +} + /* * Return the location of the inode in imap, for mapping it into a buffer. */ @@ -1235,8 +1292,11 @@ xfs_imap( if (agno >= mp->m_sb.sb_agcount || agbno >= mp->m_sb.sb_agblocks || ino != XFS_AGINO_TO_INO(mp, agno, agino)) { #ifdef DEBUG - /* no diagnostics for bulkstat, ino comes from userspace */ - if (flags & XFS_IGET_BULKSTAT) + /* + * Don't output diagnostic information for untrusted inodes + * as they can be invalid without implying corruption. + */ + if (flags & XFS_IGET_UNTRUSTED) return XFS_ERROR(EINVAL); if (agno >= mp->m_sb.sb_agcount) { xfs_fs_cmn_err(CE_ALERT, mp, @@ -1263,6 +1323,23 @@ xfs_imap( return XFS_ERROR(EINVAL); } + blks_per_cluster = XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_blocklog; + + /* + * For bulkstat and handle lookups, we have an untrusted inode number + * that we have to verify is valid. We cannot do this just by reading + * the inode buffer as it may have been unlinked and removed leaving + * inodes in stale state on disk. Hence we have to do a btree lookup + * in all cases where an untrusted inode number is passed. + */ + if (flags & XFS_IGET_UNTRUSTED) { + error = xfs_imap_lookup(mp, tp, agno, agino, agbno, + &chunk_agbno, &offset_agbno, flags); + if (error) + return error; + goto out_map; + } + /* * If the inode cluster size is the same as the blocksize or * smaller we get to the buffer by simple arithmetics. @@ -1277,24 +1354,6 @@ xfs_imap( return 0; } - blks_per_cluster = XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_blocklog; - - /* - * If we get a block number passed from bulkstat we can use it to - * find the buffer easily. - */ - if (imap->im_blkno) { - offset = XFS_INO_TO_OFFSET(mp, ino); - ASSERT(offset < mp->m_sb.sb_inopblock); - - cluster_agbno = xfs_daddr_to_agbno(mp, imap->im_blkno); - offset += (agbno - cluster_agbno) * mp->m_sb.sb_inopblock; - - imap->im_len = XFS_FSB_TO_BB(mp, blks_per_cluster); - imap->im_boffset = (ushort)(offset << mp->m_sb.sb_inodelog); - return 0; - } - /* * If the inode chunks are aligned then use simple maths to * find the location. Otherwise we have to do a btree @@ -1304,50 +1363,13 @@ xfs_imap( offset_agbno = agbno & mp->m_inoalign_mask; chunk_agbno = agbno - offset_agbno; } else { - xfs_btree_cur_t *cur; /* inode btree cursor */ - xfs_inobt_rec_incore_t chunk_rec; - xfs_buf_t *agbp; /* agi buffer */ - int i; /* temp state */ - - error = xfs_ialloc_read_agi(mp, tp, agno, &agbp); - if (error) { - xfs_fs_cmn_err(CE_ALERT, mp, "xfs_imap: " - "xfs_ialloc_read_agi() returned " - "error %d, agno %d", - error, agno); - return error; - } - - cur = xfs_inobt_init_cursor(mp, tp, agbp, agno); - error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &i); - if (error) { - xfs_fs_cmn_err(CE_ALERT, mp, "xfs_imap: " - "xfs_inobt_lookup() failed"); - goto error0; - } - - error = xfs_inobt_get_rec(cur, &chunk_rec, &i); - if (error) { - xfs_fs_cmn_err(CE_ALERT, mp, "xfs_imap: " - "xfs_inobt_get_rec() failed"); - goto error0; - } - if (i == 0) { -#ifdef DEBUG - xfs_fs_cmn_err(CE_ALERT, mp, "xfs_imap: " - "xfs_inobt_get_rec() failed"); -#endif /* DEBUG */ - error = XFS_ERROR(EINVAL); - } - error0: - xfs_trans_brelse(tp, agbp); - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + error = xfs_imap_lookup(mp, tp, agno, agino, agbno, + &chunk_agbno, &offset_agbno, flags); if (error) return error; - chunk_agbno = XFS_AGINO_TO_AGBNO(mp, chunk_rec.ir_startino); - offset_agbno = agbno - chunk_agbno; } +out_map: ASSERT(agbno >= chunk_agbno); cluster_agbno = chunk_agbno + ((offset_agbno / blks_per_cluster) * blks_per_cluster); diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 75df75f43d48..8f8b91be2c99 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -259,7 +259,6 @@ xfs_iget_cache_miss( xfs_trans_t *tp, xfs_ino_t ino, struct xfs_inode **ipp, - xfs_daddr_t bno, int flags, int lock_flags) { @@ -272,7 +271,7 @@ xfs_iget_cache_miss( if (!ip) return ENOMEM; - error = xfs_iread(mp, tp, ip, bno, flags); + error = xfs_iread(mp, tp, ip, flags); if (error) goto out_destroy; @@ -358,8 +357,6 @@ out_destroy: * within the file system for the inode being requested. * lock_flags -- flags indicating how to lock the inode. See the comment * for xfs_ilock() for a list of valid values. - * bno -- the block number starting the buffer containing the inode, - * if known (as by bulkstat), else 0. */ int xfs_iget( @@ -368,8 +365,7 @@ xfs_iget( xfs_ino_t ino, uint flags, uint lock_flags, - xfs_inode_t **ipp, - xfs_daddr_t bno) + xfs_inode_t **ipp) { xfs_inode_t *ip; int error; @@ -397,7 +393,7 @@ again: read_unlock(&pag->pag_ici_lock); XFS_STATS_INC(xs_ig_missed); - error = xfs_iget_cache_miss(mp, pag, tp, ino, &ip, bno, + error = xfs_iget_cache_miss(mp, pag, tp, ino, &ip, flags, lock_flags); if (error) goto out_error_or_again; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index d53c39de7d05..b76a829d7e20 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -177,7 +177,7 @@ xfs_imap_to_bp( if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, XFS_RANDOM_ITOBP_INOTOBP))) { - if (iget_flags & XFS_IGET_BULKSTAT) { + if (iget_flags & XFS_IGET_UNTRUSTED) { xfs_trans_brelse(tp, bp); return XFS_ERROR(EINVAL); } @@ -787,7 +787,6 @@ xfs_iread( xfs_mount_t *mp, xfs_trans_t *tp, xfs_inode_t *ip, - xfs_daddr_t bno, uint iget_flags) { xfs_buf_t *bp; @@ -797,11 +796,9 @@ xfs_iread( /* * Fill in the location information in the in-core inode. */ - ip->i_imap.im_blkno = bno; error = xfs_imap(mp, tp, ip->i_ino, &ip->i_imap, iget_flags); if (error) return error; - ASSERT(bno == 0 || bno == ip->i_imap.im_blkno); /* * Get pointers to the on-disk inode and the buffer containing it. diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 9965e40a4615..78550df13cd6 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -442,7 +442,7 @@ static inline void xfs_ifunlock(xfs_inode_t *ip) * xfs_iget.c prototypes. */ int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, - uint, uint, xfs_inode_t **, xfs_daddr_t); + uint, uint, xfs_inode_t **); void xfs_iput(xfs_inode_t *, uint); void xfs_iput_new(xfs_inode_t *, uint); void xfs_ilock(xfs_inode_t *, uint); @@ -500,7 +500,7 @@ do { \ * Flags for xfs_iget() */ #define XFS_IGET_CREATE 0x1 -#define XFS_IGET_BULKSTAT 0x2 +#define XFS_IGET_UNTRUSTED 0x2 int xfs_inotobp(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, struct xfs_dinode **, @@ -509,7 +509,7 @@ int xfs_itobp(struct xfs_mount *, struct xfs_trans *, struct xfs_inode *, struct xfs_dinode **, struct xfs_buf **, uint); int xfs_iread(struct xfs_mount *, struct xfs_trans *, - struct xfs_inode *, xfs_daddr_t, uint); + struct xfs_inode *, uint); void xfs_dinode_to_disk(struct xfs_dinode *, struct xfs_icdinode *); void xfs_idestroy_fork(struct xfs_inode *, int); diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index b1b801e4a28e..2b86f8610512 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -49,24 +49,40 @@ xfs_internal_inum( (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino))); } -STATIC int -xfs_bulkstat_one_iget( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t ino, /* inode number to get data for */ - xfs_daddr_t bno, /* starting bno of inode cluster */ - xfs_bstat_t *buf, /* return buffer */ - int *stat) /* BULKSTAT_RV_... */ +/* + * Return stat information for one inode. + * Return 0 if ok, else errno. + */ +int +xfs_bulkstat_one_int( + struct xfs_mount *mp, /* mount point for filesystem */ + xfs_ino_t ino, /* inode to get data for */ + void __user *buffer, /* buffer to place output in */ + int ubsize, /* size of buffer */ + bulkstat_one_fmt_pf formatter, /* formatter, copy to user */ + int *ubused, /* bytes used by me */ + int *stat) /* BULKSTAT_RV_... */ { - xfs_icdinode_t *dic; /* dinode core info pointer */ - xfs_inode_t *ip; /* incore inode pointer */ - struct inode *inode; - int error; + struct xfs_icdinode *dic; /* dinode core info pointer */ + struct xfs_inode *ip; /* incore inode pointer */ + struct inode *inode; + struct xfs_bstat *buf; /* return buffer */ + int error = 0; /* error value */ + + *stat = BULKSTAT_RV_NOTHING; + + if (!buffer || xfs_internal_inum(mp, ino)) + return XFS_ERROR(EINVAL); + + buf = kmem_alloc(sizeof(*buf), KM_SLEEP | KM_MAYFAIL); + if (!buf) + return XFS_ERROR(ENOMEM); error = xfs_iget(mp, NULL, ino, - XFS_IGET_BULKSTAT, XFS_ILOCK_SHARED, &ip, bno); + XFS_IGET_UNTRUSTED, XFS_ILOCK_SHARED, &ip); if (error) { *stat = BULKSTAT_RV_NOTHING; - return error; + goto out_free; } ASSERT(ip != NULL); @@ -127,77 +143,16 @@ xfs_bulkstat_one_iget( buf->bs_blocks = dic->di_nblocks + ip->i_delayed_blks; break; } - xfs_iput(ip, XFS_ILOCK_SHARED); - return error; -} -STATIC void -xfs_bulkstat_one_dinode( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t ino, /* inode number to get data for */ - xfs_dinode_t *dic, /* dinode inode pointer */ - xfs_bstat_t *buf) /* return buffer */ -{ - /* - * The inode format changed when we moved the link count and - * made it 32 bits long. If this is an old format inode, - * convert it in memory to look like a new one. If it gets - * flushed to disk we will convert back before flushing or - * logging it. We zero out the new projid field and the old link - * count field. We'll handle clearing the pad field (the remains - * of the old uuid field) when we actually convert the inode to - * the new format. We don't change the version number so that we - * can distinguish this from a real new format inode. - */ - if (dic->di_version == 1) { - buf->bs_nlink = be16_to_cpu(dic->di_onlink); - buf->bs_projid = 0; - } else { - buf->bs_nlink = be32_to_cpu(dic->di_nlink); - buf->bs_projid = be16_to_cpu(dic->di_projid); - } + error = formatter(buffer, ubsize, ubused, buf); - buf->bs_ino = ino; - buf->bs_mode = be16_to_cpu(dic->di_mode); - buf->bs_uid = be32_to_cpu(dic->di_uid); - buf->bs_gid = be32_to_cpu(dic->di_gid); - buf->bs_size = be64_to_cpu(dic->di_size); - buf->bs_atime.tv_sec = be32_to_cpu(dic->di_atime.t_sec); - buf->bs_atime.tv_nsec = be32_to_cpu(dic->di_atime.t_nsec); - buf->bs_mtime.tv_sec = be32_to_cpu(dic->di_mtime.t_sec); - buf->bs_mtime.tv_nsec = be32_to_cpu(dic->di_mtime.t_nsec); - buf->bs_ctime.tv_sec = be32_to_cpu(dic->di_ctime.t_sec); - buf->bs_ctime.tv_nsec = be32_to_cpu(dic->di_ctime.t_nsec); - buf->bs_xflags = xfs_dic2xflags(dic); - buf->bs_extsize = be32_to_cpu(dic->di_extsize) << mp->m_sb.sb_blocklog; - buf->bs_extents = be32_to_cpu(dic->di_nextents); - buf->bs_gen = be32_to_cpu(dic->di_gen); - memset(buf->bs_pad, 0, sizeof(buf->bs_pad)); - buf->bs_dmevmask = be32_to_cpu(dic->di_dmevmask); - buf->bs_dmstate = be16_to_cpu(dic->di_dmstate); - buf->bs_aextents = be16_to_cpu(dic->di_anextents); - buf->bs_forkoff = XFS_DFORK_BOFF(dic); + if (!error) + *stat = BULKSTAT_RV_DIDONE; - switch (dic->di_format) { - case XFS_DINODE_FMT_DEV: - buf->bs_rdev = xfs_dinode_get_rdev(dic); - buf->bs_blksize = BLKDEV_IOSIZE; - buf->bs_blocks = 0; - break; - case XFS_DINODE_FMT_LOCAL: - case XFS_DINODE_FMT_UUID: - buf->bs_rdev = 0; - buf->bs_blksize = mp->m_sb.sb_blocksize; - buf->bs_blocks = 0; - break; - case XFS_DINODE_FMT_EXTENTS: - case XFS_DINODE_FMT_BTREE: - buf->bs_rdev = 0; - buf->bs_blksize = mp->m_sb.sb_blocksize; - buf->bs_blocks = be64_to_cpu(dic->di_nblocks); - break; - } + out_free: + kmem_free(buf); + return error; } /* Return 0 on success or positive error */ @@ -217,118 +172,17 @@ xfs_bulkstat_one_fmt( return 0; } -/* - * Return stat information for one inode. - * Return 0 if ok, else errno. - */ -int /* error status */ -xfs_bulkstat_one_int( - xfs_mount_t *mp, /* mount point for filesystem */ - xfs_ino_t ino, /* inode number to get data for */ - void __user *buffer, /* buffer to place output in */ - int ubsize, /* size of buffer */ - bulkstat_one_fmt_pf formatter, /* formatter, copy to user */ - xfs_daddr_t bno, /* starting bno of inode cluster */ - int *ubused, /* bytes used by me */ - void *dibuff, /* on-disk inode buffer */ - int *stat) /* BULKSTAT_RV_... */ -{ - xfs_bstat_t *buf; /* return buffer */ - int error = 0; /* error value */ - xfs_dinode_t *dip; /* dinode inode pointer */ - - dip = (xfs_dinode_t *)dibuff; - *stat = BULKSTAT_RV_NOTHING; - - if (!buffer || xfs_internal_inum(mp, ino)) - return XFS_ERROR(EINVAL); - - buf = kmem_alloc(sizeof(*buf), KM_SLEEP); - - if (dip == NULL) { - /* We're not being passed a pointer to a dinode. This happens - * if BULKSTAT_FG_IGET is selected. Do the iget. - */ - error = xfs_bulkstat_one_iget(mp, ino, bno, buf, stat); - if (error) - goto out_free; - } else { - xfs_bulkstat_one_dinode(mp, ino, dip, buf); - } - - error = formatter(buffer, ubsize, ubused, buf); - if (error) - goto out_free; - - *stat = BULKSTAT_RV_DIDONE; - - out_free: - kmem_free(buf); - return error; -} - int xfs_bulkstat_one( xfs_mount_t *mp, /* mount point for filesystem */ xfs_ino_t ino, /* inode number to get data for */ void __user *buffer, /* buffer to place output in */ int ubsize, /* size of buffer */ - void *private_data, /* my private data */ - xfs_daddr_t bno, /* starting bno of inode cluster */ int *ubused, /* bytes used by me */ - void *dibuff, /* on-disk inode buffer */ int *stat) /* BULKSTAT_RV_... */ { return xfs_bulkstat_one_int(mp, ino, buffer, ubsize, - xfs_bulkstat_one_fmt, bno, - ubused, dibuff, stat); -} - -/* - * Test to see whether we can use the ondisk inode directly, based - * on the given bulkstat flags, filling in dipp accordingly. - * Returns zero if the inode is dodgey. - */ -STATIC int -xfs_bulkstat_use_dinode( - xfs_mount_t *mp, - int flags, - xfs_buf_t *bp, - int clustidx, - xfs_dinode_t **dipp) -{ - xfs_dinode_t *dip; - unsigned int aformat; - - *dipp = NULL; - if (!bp || (flags & BULKSTAT_FG_IGET)) - return 1; - dip = (xfs_dinode_t *) - xfs_buf_offset(bp, clustidx << mp->m_sb.sb_inodelog); - /* - * Check the buffer containing the on-disk inode for di_mode == 0. - * This is to prevent xfs_bulkstat from picking up just reclaimed - * inodes that have their in-core state initialized but not flushed - * to disk yet. This is a temporary hack that would require a proper - * fix in the future. - */ - if (be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC || - !XFS_DINODE_GOOD_VERSION(dip->di_version) || - !dip->di_mode) - return 0; - if (flags & BULKSTAT_FG_QUICK) { - *dipp = dip; - return 1; - } - /* BULKSTAT_FG_INLINE: if attr fork is local, or not there, use it */ - aformat = dip->di_aformat; - if ((XFS_DFORK_Q(dip) == 0) || - (aformat == XFS_DINODE_FMT_LOCAL) || - (aformat == XFS_DINODE_FMT_EXTENTS && !dip->di_anextents)) { - *dipp = dip; - return 1; - } - return 1; + xfs_bulkstat_one_fmt, ubused, stat); } #define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size) @@ -342,10 +196,8 @@ xfs_bulkstat( xfs_ino_t *lastinop, /* last inode returned */ int *ubcountp, /* size of buffer/count returned */ bulkstat_one_pf formatter, /* func that'd fill a single buf */ - void *private_data,/* private data for formatter */ size_t statstruct_size, /* sizeof struct filling */ char __user *ubuffer, /* buffer with inode stats */ - int flags, /* defined in xfs_itable.h */ int *done) /* 1 if there are more stats to get */ { xfs_agblock_t agbno=0;/* allocation group block number */ @@ -380,14 +232,12 @@ xfs_bulkstat( int ubelem; /* spaces used in user's buffer */ int ubused; /* bytes used by formatter */ xfs_buf_t *bp; /* ptr to on-disk inode cluster buf */ - xfs_dinode_t *dip; /* ptr into bp for specific inode */ /* * Get the last inode value, see if there's nothing to do. */ ino = (xfs_ino_t)*lastinop; lastino = ino; - dip = NULL; agno = XFS_INO_TO_AGNO(mp, ino); agino = XFS_INO_TO_AGINO(mp, ino); if (agno >= mp->m_sb.sb_agcount || @@ -612,37 +462,6 @@ xfs_bulkstat( irbp->ir_startino) + ((chunkidx & nimask) >> mp->m_sb.sb_inopblog); - - if (flags & (BULKSTAT_FG_QUICK | - BULKSTAT_FG_INLINE)) { - int offset; - - ino = XFS_AGINO_TO_INO(mp, agno, - agino); - bno = XFS_AGB_TO_DADDR(mp, agno, - agbno); - - /* - * Get the inode cluster buffer - */ - if (bp) - xfs_buf_relse(bp); - - error = xfs_inotobp(mp, NULL, ino, &dip, - &bp, &offset, - XFS_IGET_BULKSTAT); - - if (!error) - clustidx = offset / mp->m_sb.sb_inodesize; - if (XFS_TEST_ERROR(error != 0, - mp, XFS_ERRTAG_BULKSTAT_READ_CHUNK, - XFS_RANDOM_BULKSTAT_READ_CHUNK)) { - bp = NULL; - ubleft = 0; - rval = error; - break; - } - } } ino = XFS_AGINO_TO_INO(mp, agno, agino); bno = XFS_AGB_TO_DADDR(mp, agno, agbno); @@ -658,35 +477,13 @@ xfs_bulkstat( * when the chunk is used up. */ irbp->ir_freecount++; - if (!xfs_bulkstat_use_dinode(mp, flags, bp, - clustidx, &dip)) { - lastino = ino; - continue; - } - /* - * If we need to do an iget, cannot hold bp. - * Drop it, until starting the next cluster. - */ - if ((flags & BULKSTAT_FG_INLINE) && !dip) { - if (bp) - xfs_buf_relse(bp); - bp = NULL; - } /* * Get the inode and fill in a single buffer. - * BULKSTAT_FG_QUICK uses dip to fill it in. - * BULKSTAT_FG_IGET uses igets. - * BULKSTAT_FG_INLINE uses dip if we have an - * inline attr fork, else igets. - * See: xfs_bulkstat_one & xfs_dm_bulkstat_one. - * This is also used to count inodes/blks, etc - * in xfs_qm_quotacheck. */ ubused = statstruct_size; - error = formatter(mp, ino, ubufp, - ubleft, private_data, - bno, &ubused, dip, &fmterror); + error = formatter(mp, ino, ubufp, ubleft, + &ubused, &fmterror); if (fmterror == BULKSTAT_RV_NOTHING) { if (error && error != ENOENT && error != EINVAL) { @@ -778,8 +575,7 @@ xfs_bulkstat_single( */ ino = (xfs_ino_t)*lastinop; - error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), - NULL, 0, NULL, NULL, &res); + error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), 0, &res); if (error) { /* * Special case way failed, do it the "long" way @@ -788,8 +584,7 @@ xfs_bulkstat_single( (*lastinop)--; count = 1; if (xfs_bulkstat(mp, lastinop, &count, xfs_bulkstat_one, - NULL, sizeof(xfs_bstat_t), buffer, - BULKSTAT_FG_IGET, done)) + sizeof(xfs_bstat_t), buffer, done)) return error; if (count == 0 || (xfs_ino_t)*lastinop != ino) return error == EFSCORRUPTED ? diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h index 20792bf45946..97295d91d170 100644 --- a/fs/xfs/xfs_itable.h +++ b/fs/xfs/xfs_itable.h @@ -27,10 +27,7 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp, xfs_ino_t ino, void __user *buffer, int ubsize, - void *private_data, - xfs_daddr_t bno, int *ubused, - void *dip, int *stat); /* @@ -41,13 +38,6 @@ typedef int (*bulkstat_one_pf)(struct xfs_mount *mp, #define BULKSTAT_RV_GIVEUP 2 /* - * Values for bulkstat flag argument. - */ -#define BULKSTAT_FG_IGET 0x1 /* Go through the buffer cache */ -#define BULKSTAT_FG_QUICK 0x2 /* No iget, walk the dinode cluster */ -#define BULKSTAT_FG_INLINE 0x4 /* No iget if inline attrs */ - -/* * Return stat information in bulk (by-inode) for the filesystem. */ int /* error status */ @@ -56,10 +46,8 @@ xfs_bulkstat( xfs_ino_t *lastino, /* last inode returned */ int *count, /* size of buffer/count returned */ bulkstat_one_pf formatter, /* func that'd fill a single buf */ - void *private_data, /* private data for formatter */ size_t statstruct_size,/* sizeof struct that we're filling */ char __user *ubuffer,/* buffer with inode stats */ - int flags, /* flag to control access method */ int *done); /* 1 if there are more stats to get */ int @@ -82,9 +70,7 @@ xfs_bulkstat_one_int( void __user *buffer, int ubsize, bulkstat_one_fmt_pf formatter, - xfs_daddr_t bno, int *ubused, - void *dibuff, int *stat); int @@ -93,10 +79,7 @@ xfs_bulkstat_one( xfs_ino_t ino, void __user *buffer, int ubsize, - void *private_data, - xfs_daddr_t bno, int *ubused, - void *dibuff, int *stat); typedef int (*inumbers_fmt_pf)( diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index ed0684cc50ee..9ac5cfab27b9 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3198,7 +3198,7 @@ xlog_recover_process_one_iunlink( int error; ino = XFS_AGINO_TO_INO(mp, agno, agino); - error = xfs_iget(mp, NULL, ino, 0, 0, &ip, 0); + error = xfs_iget(mp, NULL, ino, 0, 0, &ip); if (error) goto fail; diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index d59f4e8bedcf..69f62d8b2816 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1300,7 +1300,7 @@ xfs_mountfs( * Get and sanity-check the root inode. * Save the pointer to it in the mount structure. */ - error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip, 0); + error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip); if (error) { cmn_err(CE_WARN, "XFS: failed to read root inode"); goto out_log_dealloc; diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 16445518506d..a2d32ce335aa 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -2277,12 +2277,12 @@ xfs_rtmount_inodes( sbp = &mp->m_sb; if (sbp->sb_rbmino == NULLFSINO) return 0; - error = xfs_iget(mp, NULL, sbp->sb_rbmino, 0, 0, &mp->m_rbmip, 0); + error = xfs_iget(mp, NULL, sbp->sb_rbmino, 0, 0, &mp->m_rbmip); if (error) return error; ASSERT(mp->m_rbmip != NULL); ASSERT(sbp->sb_rsumino != NULLFSINO); - error = xfs_iget(mp, NULL, sbp->sb_rsumino, 0, 0, &mp->m_rsumip, 0); + error = xfs_iget(mp, NULL, sbp->sb_rsumino, 0, 0, &mp->m_rsumip); if (error) { IRELE(mp->m_rbmip); return error; diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c index 785ff101da0a..2559dfec946b 100644 --- a/fs/xfs/xfs_trans_inode.c +++ b/fs/xfs/xfs_trans_inode.c @@ -62,7 +62,7 @@ xfs_trans_iget( { int error; - error = xfs_iget(mp, tp, ino, flags, lock_flags, ipp, 0); + error = xfs_iget(mp, tp, ino, flags, lock_flags, ipp); if (!error && tp) xfs_trans_ijoin(tp, *ipp, lock_flags); return error; diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index a06bd62504fc..c1646838898f 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1269,7 +1269,7 @@ xfs_lookup( if (error) goto out; - error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp, 0); + error = xfs_iget(dp->i_mount, NULL, inum, 0, 0, ipp); if (error) goto out_free_name; diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 8364a705f125..04b564bfc4a1 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -9,6 +9,7 @@ /* * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * Copyright (c) 2009-2010, Code Aurora Forum. * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -48,6 +49,7 @@ #include <linux/proc_fs.h> #include <linux/init.h> #include <linux/file.h> +#include <linux/platform_device.h> #include <linux/pci.h> #include <linux/jiffies.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ @@ -144,6 +146,7 @@ extern void drm_ut_debug_printk(unsigned int request_level, #define DRIVER_IRQ_VBL2 0x800 #define DRIVER_GEM 0x1000 #define DRIVER_MODESET 0x2000 +#define DRIVER_USE_PLATFORM_DEVICE 0x4000 /***********************************************************************/ /** \name Begin the DRM... */ @@ -825,6 +828,7 @@ struct drm_driver { int num_ioctls; struct file_operations fops; struct pci_driver pci_driver; + struct platform_device *platform_device; /* List of devices hanging off this driver */ struct list_head device_list; }; @@ -1017,12 +1021,16 @@ struct drm_device { struct drm_agp_head *agp; /**< AGP data */ + struct device *dev; /**< Device structure */ struct pci_dev *pdev; /**< PCI device structure */ int pci_vendor; /**< PCI vendor id */ int pci_device; /**< PCI device id */ #ifdef __alpha__ struct pci_controller *hose; #endif + + struct platform_device *platformdev; /**< Platform device struture */ + struct drm_sg_mem *sg; /**< Scatter gather memory */ int num_crtcs; /**< Number of CRTCs on this device */ void *dev_private; /**< device private data */ @@ -1062,17 +1070,21 @@ struct drm_device { }; -static inline int drm_dev_to_irq(struct drm_device *dev) -{ - return dev->pdev->irq; -} - static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) { return ((dev->driver->driver_features & feature) ? 1 : 0); } + +static inline int drm_dev_to_irq(struct drm_device *dev) +{ + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) + return platform_get_irq(dev->platformdev, 0); + else + return dev->pdev->irq; +} + #ifdef __alpha__ #define drm_get_pci_domain(dev) dev->hose->index #else @@ -1275,10 +1287,6 @@ extern int drm_freebufs(struct drm_device *dev, void *data, extern int drm_mapbufs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_order(unsigned long size); -extern resource_size_t drm_get_resource_start(struct drm_device *dev, - unsigned int resource); -extern resource_size_t drm_get_resource_len(struct drm_device *dev, - unsigned int resource); /* DMA support (drm_dma.h) */ extern int drm_dma_setup(struct drm_device *dev); @@ -1353,8 +1361,11 @@ extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, struct drm_master *drm_master_create(struct drm_minor *minor); extern struct drm_master *drm_master_get(struct drm_master *master); extern void drm_master_put(struct drm_master **master); -extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, - struct drm_driver *driver); +extern int drm_get_pci_dev(struct pci_dev *pdev, + const struct pci_device_id *ent, + struct drm_driver *driver); +extern int drm_get_platform_dev(struct platform_device *pdev, + struct drm_driver *driver); extern void drm_put_dev(struct drm_device *dev); extern int drm_put_minor(struct drm_minor **minor); extern unsigned int drm_debug; @@ -1531,6 +1542,9 @@ static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, static __inline__ int drm_device_is_agp(struct drm_device *dev) { + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) + return 0; + if (dev->driver->device_is_agp != NULL) { int err = (*dev->driver->device_is_agp) (dev); @@ -1544,7 +1558,10 @@ static __inline__ int drm_device_is_agp(struct drm_device *dev) static __inline__ int drm_device_is_pcie(struct drm_device *dev) { - return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) + return 0; + else + return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); } static __inline__ void drm_core_dropmap(struct drm_local_map *map) @@ -1552,6 +1569,21 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map) } #include "drm_mem_util.h" + +static inline void *drm_get_device(struct drm_device *dev) +{ + if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) + return dev->platformdev; + else + return dev->pdev; +} + +extern int drm_platform_init(struct drm_driver *driver); +extern int drm_pci_init(struct drm_driver *driver); +extern int drm_fill_in_dev(struct drm_device *dev, + const struct pci_device_id *ent, + struct drm_driver *driver); +int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type); /*@}*/ #endif /* __KERNEL__ */ diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index 1121f7799c6f..7e3c9766acba 100644 --- a/include/drm/drm_crtc_helper.h +++ b/include/drm/drm_crtc_helper.h @@ -63,6 +63,9 @@ struct drm_crtc_helper_funcs { /* reload the current crtc LUT */ void (*load_lut)(struct drm_crtc *crtc); + + /* disable crtc when not in use - more explicit than dpms off */ + void (*disable)(struct drm_crtc *crtc); }; struct drm_encoder_helper_funcs { diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index 4c10be39a43b..bf01531193d5 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -42,21 +42,31 @@ #endif struct drm_mm_node { - struct list_head fl_entry; - struct list_head ml_entry; - int free; + struct list_head free_stack; + struct list_head node_list; + unsigned free : 1; + unsigned scanned_block : 1; + unsigned scanned_prev_free : 1; + unsigned scanned_next_free : 1; unsigned long start; unsigned long size; struct drm_mm *mm; - void *private; }; struct drm_mm { - struct list_head fl_entry; - struct list_head ml_entry; + /* List of free memory blocks, most recently freed ordered. */ + struct list_head free_stack; + /* List of all memory nodes, ordered according to the (increasing) start + * address of the memory node. */ + struct list_head node_list; struct list_head unused_nodes; int num_unused; spinlock_t unused_lock; + unsigned scan_alignment; + unsigned long scan_size; + unsigned long scan_hit_start; + unsigned scan_hit_size; + unsigned scanned_blocks; }; /* @@ -133,6 +143,11 @@ static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block) return block->mm; } +void drm_mm_init_scan(struct drm_mm *mm, unsigned long size, + unsigned alignment); +int drm_mm_scan_add_block(struct drm_mm_node *node); +int drm_mm_scan_remove_block(struct drm_mm_node *node); + extern void drm_mm_debug_table(struct drm_mm *mm, const char *prefix); #ifdef CONFIG_DEBUG_FS int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm); diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 8bb4de567b2c..116821448c38 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -56,10 +56,6 @@ void ttm_put_pages(struct list_head *pages, enum ttm_caching_state cstate); /** * Initialize pool allocator. - * - * Pool allocator is internaly reference counted so it can be initialized - * multiple times but ttm_page_alloc_fini has to be called same number of - * times. */ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages); /** diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index b3cd4de9432b..52c0da4bdd18 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -40,7 +40,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n, const char *modname); #if defined(CONFIG_DYNAMIC_DEBUG) -extern int ddebug_remove_module(char *mod_name); +extern int ddebug_remove_module(const char *mod_name); #define __dynamic_dbg_enabled(dd) ({ \ int __ret = 0; \ @@ -73,7 +73,7 @@ extern int ddebug_remove_module(char *mod_name); #else -static inline int ddebug_remove_module(char *mod) +static inline int ddebug_remove_module(const char *mod) { return 0; } diff --git a/include/linux/sched.h b/include/linux/sched.h index f118809c953f..747fcaedddb7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -139,7 +139,7 @@ extern int nr_processes(void); extern unsigned long nr_running(void); extern unsigned long nr_uninterruptible(void); extern unsigned long nr_iowait(void); -extern unsigned long nr_iowait_cpu(void); +extern unsigned long nr_iowait_cpu(int cpu); extern unsigned long this_cpu_load(void); diff --git a/init/main.c b/init/main.c index ac2e4a5f59ee..a42fdf4aeba9 100644 --- a/init/main.c +++ b/init/main.c @@ -424,18 +424,26 @@ static void __init setup_command_line(char *command_line) * gcc-3.4 accidentally inlines this function, so use noinline. */ +static __initdata DECLARE_COMPLETION(kthreadd_done); + static noinline void __init_refok rest_init(void) __releases(kernel_lock) { int pid; rcu_scheduler_starting(); + /* + * We need to spawn init first so that it obtains pid 1, however + * the init task will end up wanting to create kthreads, which, if + * we schedule it before we create kthreadd, will OOPS. + */ kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND); numa_default_policy(); pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES); rcu_read_lock(); kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns); rcu_read_unlock(); + complete(&kthreadd_done); unlock_kernel(); /* @@ -857,6 +865,10 @@ static noinline int init_post(void) static int __init kernel_init(void * unused) { + /* + * Wait until kthreadd is all set-up. + */ + wait_for_completion(&kthreadd_done); lock_kernel(); /* diff --git a/kernel/module.c b/kernel/module.c index 8c6b42840dd1..5d2d28197c82 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2062,6 +2062,12 @@ static void dynamic_debug_setup(struct _ddebug *debug, unsigned int num) #endif } +static void dynamic_debug_remove(struct _ddebug *debug) +{ + if (debug) + ddebug_remove_module(debug->modname); +} + static void *module_alloc_update_bounds(unsigned long size) { void *ret = module_alloc(size); @@ -2124,6 +2130,8 @@ static noinline struct module *load_module(void __user *umod, void *ptr = NULL; /* Stops spurious gcc warning */ unsigned long symoffs, stroffs, *strmap; void __percpu *percpu; + struct _ddebug *debug = NULL; + unsigned int num_debug = 0; mm_segment_t old_fs; @@ -2476,15 +2484,9 @@ static noinline struct module *load_module(void __user *umod, kfree(strmap); strmap = NULL; - if (!mod->taints) { - struct _ddebug *debug; - unsigned int num_debug; - + if (!mod->taints) debug = section_objs(hdr, sechdrs, secstrings, "__verbose", sizeof(*debug), &num_debug); - if (debug) - dynamic_debug_setup(debug, num_debug); - } err = module_finalize(hdr, sechdrs, mod); if (err < 0) @@ -2526,10 +2528,13 @@ static noinline struct module *load_module(void __user *umod, goto unlock; } + if (debug) + dynamic_debug_setup(debug, num_debug); + /* Find duplicate symbols */ err = verify_export_symbols(mod); if (err < 0) - goto unlock; + goto ddebug; list_add_rcu(&mod->list, &modules); mutex_unlock(&module_mutex); @@ -2557,6 +2562,8 @@ static noinline struct module *load_module(void __user *umod, mutex_lock(&module_mutex); /* Unlink carefully: kallsyms could be walking list. */ list_del_rcu(&mod->list); + ddebug: + dynamic_debug_remove(debug); unlock: mutex_unlock(&module_mutex); synchronize_sched(); diff --git a/kernel/sched.c b/kernel/sched.c index cb816e36cc8b..f52a8801b7a2 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2873,9 +2873,9 @@ unsigned long nr_iowait(void) return sum; } -unsigned long nr_iowait_cpu(void) +unsigned long nr_iowait_cpu(int cpu) { - struct rq *this = this_rq(); + struct rq *this = cpu_rq(cpu); return atomic_read(&this->nr_iowait); } diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 783fbadf2202..813993b5fb61 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -154,14 +154,14 @@ static void tick_nohz_update_jiffies(ktime_t now) * Updates the per cpu time idle statistics counters */ static void -update_ts_time_stats(struct tick_sched *ts, ktime_t now, u64 *last_update_time) +update_ts_time_stats(int cpu, struct tick_sched *ts, ktime_t now, u64 *last_update_time) { ktime_t delta; if (ts->idle_active) { delta = ktime_sub(now, ts->idle_entrytime); ts->idle_sleeptime = ktime_add(ts->idle_sleeptime, delta); - if (nr_iowait_cpu() > 0) + if (nr_iowait_cpu(cpu) > 0) ts->iowait_sleeptime = ktime_add(ts->iowait_sleeptime, delta); ts->idle_entrytime = now; } @@ -175,19 +175,19 @@ static void tick_nohz_stop_idle(int cpu, ktime_t now) { struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu); - update_ts_time_stats(ts, now, NULL); + update_ts_time_stats(cpu, ts, now, NULL); ts->idle_active = 0; sched_clock_idle_wakeup_event(0); } -static ktime_t tick_nohz_start_idle(struct tick_sched *ts) +static ktime_t tick_nohz_start_idle(int cpu, struct tick_sched *ts) { ktime_t now; now = ktime_get(); - update_ts_time_stats(ts, now, NULL); + update_ts_time_stats(cpu, ts, now, NULL); ts->idle_entrytime = now; ts->idle_active = 1; @@ -216,7 +216,7 @@ u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time) if (!tick_nohz_enabled) return -1; - update_ts_time_stats(ts, ktime_get(), last_update_time); + update_ts_time_stats(cpu, ts, ktime_get(), last_update_time); return ktime_to_us(ts->idle_sleeptime); } @@ -242,7 +242,7 @@ u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time) if (!tick_nohz_enabled) return -1; - update_ts_time_stats(ts, ktime_get(), last_update_time); + update_ts_time_stats(cpu, ts, ktime_get(), last_update_time); return ktime_to_us(ts->iowait_sleeptime); } @@ -284,7 +284,7 @@ void tick_nohz_stop_sched_tick(int inidle) */ ts->inidle = 1; - now = tick_nohz_start_idle(ts); + now = tick_nohz_start_idle(cpu, ts); /* * If this cpu is offline and it is the one which updates diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 3df8eb17a607..02afc2533728 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -692,7 +692,7 @@ static void ddebug_table_free(struct ddebug_table *dt) * Called in response to a module being unloaded. Removes * any ddebug_table's which point at the module. */ -int ddebug_remove_module(char *mod_name) +int ddebug_remove_module(const char *mod_name) { struct ddebug_table *dt, *nextdt; int ret = -ENOENT; diff --git a/scripts/package/Makefile b/scripts/package/Makefile index 62fcc3a7f4d3..3a681ef25306 100644 --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -44,7 +44,7 @@ rpm-pkg rpm: $(objtree)/kernel.spec FORCE fi $(MAKE) clean $(PREV) ln -sf $(srctree) $(KERNELPATH) - $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion > $(objtree)/.scmversion + $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --scm-only > $(objtree)/.scmversion $(PREV) tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(KERNELPATH)/. $(PREV) rm $(KERNELPATH) rm -f $(objtree)/.scmversion diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 46989b88d734..d6a866ed1835 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -10,73 +10,158 @@ # usage() { - echo "Usage: $0 [srctree]" >&2 + echo "Usage: $0 [--scm-only] [srctree]" >&2 exit 1 } -cd "${1:-.}" || usage +scm_only=false +srctree=. +if test "$1" = "--scm-only"; then + scm_only=true + shift +fi +if test $# -gt 0; then + srctree=$1 + shift +fi +if test $# -gt 0 -o ! -d "$srctree"; then + usage +fi -# Check for git and a git repo. -if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then +scm_version() +{ + local short=false - # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it, - # because this version is defined in the top level Makefile. - if [ -z "`git describe --exact-match 2>/dev/null`" ]; then + cd "$srctree" + if test -e .scmversion; then + cat "$_" + return + fi + if test "$1" = "--short"; then + short=true + fi - # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"), - # we pretty print it. - if atag="`git describe 2>/dev/null`"; then - echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' + # Check for git and a git repo. + if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then + + # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore + # it, because this version is defined in the top level Makefile. + if [ -z "`git describe --exact-match 2>/dev/null`" ]; then + + # If only the short version is requested, don't bother + # running further git commands + if $short; then + echo "+" + return + fi + # If we are past a tagged commit (like + # "v2.6.30-rc5-302-g72357d5"), we pretty print it. + if atag="`git describe 2>/dev/null`"; then + echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' + + # If we don't have a tag at all we print -g{commitish}. + else + printf '%s%s' -g $head + fi + fi - # If we don't have a tag at all we print -g{commitish}. - else - printf '%s%s' -g $head + # Is this git on svn? + if git config --get svn-remote.svn.url >/dev/null; then + printf -- '-svn%s' "`git svn find-rev $head`" fi - fi - # Is this git on svn? - if git config --get svn-remote.svn.url >/dev/null; then - printf -- '-svn%s' "`git svn find-rev $head`" - fi + # Update index only on r/w media + [ -w . ] && git update-index --refresh --unmerged > /dev/null - # Update index only on r/w media - [ -w . ] && git update-index --refresh --unmerged > /dev/null + # Check for uncommitted changes + if git diff-index --name-only HEAD | grep -v "^scripts/package" \ + | read dummy; then + printf '%s' -dirty + fi - # Check for uncommitted changes - if git diff-index --name-only HEAD | grep -v "^scripts/package" \ - | read dummy; then - printf '%s' -dirty + # All done with git + return fi - # All done with git - exit -fi + # Check for mercurial and a mercurial repo. + if hgid=`hg id 2>/dev/null`; then + tag=`printf '%s' "$hgid" | cut -d' ' -f2` + + # Do we have an untagged version? + if [ -z "$tag" -o "$tag" = tip ]; then + id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` + printf '%s%s' -hg "$id" + fi -# Check for mercurial and a mercurial repo. -if hgid=`hg id 2>/dev/null`; then - tag=`printf '%s' "$hgid" | cut -d' ' -f2` + # Are there uncommitted changes? + # These are represented by + after the changeset id. + case "$hgid" in + *+|*+\ *) printf '%s' -dirty ;; + esac - # Do we have an untagged version? - if [ -z "$tag" -o "$tag" = tip ]; then - id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` - printf '%s%s' -hg "$id" + # All done with mercurial + return fi - # Are there uncommitted changes? - # These are represented by + after the changeset id. - case "$hgid" in - *+|*+\ *) printf '%s' -dirty ;; - esac + # Check for svn and a svn repo. + if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then + rev=`echo $rev | awk '{print $NF}'` + printf -- '-svn%s' "$rev" - # All done with mercurial + # All done with svn + return + fi +} + +collect_files() +{ + local file res + + for file; do + case "$file" in + *\~*) + continue + ;; + esac + if test -e "$file"; then + res="$res$(cat "$file")" + fi + done + echo "$res" +} + +if $scm_only; then + scm_version exit fi -# Check for svn and a svn repo. -if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then - rev=`echo $rev | awk '{print $NF}'` - printf -- '-svn%s' "$rev" +if test -e include/config/auto.conf; then + source "$_" +else + echo "Error: kernelrelease not valid - run 'make prepare' to update it" + exit 1 +fi - # All done with svn - exit +# localversion* files in the build and source directory +res="$(collect_files localversion*)" +if test ! "$srctree" -ef .; then + res="$res$(collect_files "$srctree"/localversion*)" +fi + +# CONFIG_LOCALVERSION and LOCALVERSION (if set) +res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" + +# scm version string if not at a tagged commit +if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then + # full scm version string + res="$res$(scm_version)" +else + # apped a plus sign if the repository is not in a clean tagged + # state and LOCALVERSION= is not specified + if test "${LOCALVERSION+set}" != "set"; then + scm=$(scm_version --short) + res="$res${scm:++}" + fi fi + +echo "$res" diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 1f7ecd47f499..9a448b47400c 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -7,6 +7,15 @@ #include "util.h" #include "debug.h" +/* Skip "." and ".." directories */ +static int filter(const struct dirent *dir) +{ + if (dir->d_name[0] == '.') + return 0; + else + return 1; +} + int find_all_tid(int pid, pid_t ** all_tid) { char name[256]; @@ -16,7 +25,7 @@ int find_all_tid(int pid, pid_t ** all_tid) int i; sprintf(name, "/proc/%d/task", pid); - items = scandir(name, &namelist, NULL, NULL); + items = scandir(name, &namelist, filter, NULL); if (items <= 0) return -ENOENT; *all_tid = malloc(sizeof(pid_t) * items); |