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2011-03-18Blackfin/ipipe: fix deferred pipeline sync for the root stagePhilippe Gerum2-3/+14
This patch makes sure to sync the pipeline for the root stage only from the outer interrupt level, when resuming kernel code after an interrupt. This fixes a bug causing EVT15 to be spuriously popped off upon nested interrupts, which in turn would cause the preempted kernel code to resume without supervisor privileges. Signed-off-by: Philippe Gerum <rpm@xenomai.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin/ipipe: upgrade to I-pipe mainlinePhilippe Gerum4-114/+117
This patch introduces Blackfin-specific bits to support the current tip of the interrupt pipeline development, mainly: - 2/3-level interrupt maps (sparse IRQs) - generic virq handling - sysinfo v2 format for ipipe_get_sysinfo() Signed-off-by: Philippe Gerum <rpm@xenomai.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: cpufreq: fix typosMichael Hennerich1-3/+3
No functional changes here. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: enable GENERIC_HARDIRQS_NO_DEPRECATEDThomas Gleixner1-0/+1
All chips converted. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: convert to irq chip functionsMike Frysinger1-1/+5
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: use accessor functions in show_interrupts()Thomas Gleixner1-4/+6
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: use proper wrapper functions for modifying irq statusThomas Gleixner4-4/+4
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: convert gpio irq_chip to new functionsThomas Gleixner1-44/+48
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: convert mac irq_chip to new functionsThomas Gleixner1-7/+11
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: convert error irq_chip to new functionsThomas Gleixner1-7/+7
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: convert internal irq_chip to new functionsThomas Gleixner1-13/+28
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: convert core irq_chip to new functionsThomas Gleixner1-11/+11
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: use proper wrappers for irq_descThomas Gleixner1-9/+5
Fixup the open coded access to irq_desc and use the proper wrappers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: optimize startup codeMike Frysinger1-69/+41
Take advantage of more Blackfin-specific insns, and only initialize registers required by the ABI. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: work around anomaly 05000491Sonic Zhang8-12/+74
In order to safely work around anomaly 05000491, we have to execute IFLUSH from L1 instruction sram. The trouble with multi-core systems is that all L1 sram is visible only to the active core. So we can't just place the functions into L1 and call it directly. We need to setup a jump table and place the entry point in external memory. This will call the right func based on the active core. In the process, convert from the manual relocation of a small bit of code into Core B's L1 to the more general framework we already have in place for loading arbitrary pieces of code into L1. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: implement cpu_freq supportGraf Yang6-34/+70
Re-use some of the existing cpu hotplugging code in the process. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: split optimization settings moreMike Frysinger3-15/+47
We need to place icache flush funcs into L1 inst sram to work around a hardware anomaly. But this currently breaks SMP support as the L1 inst sram is per-core and cannot be called directly. So in preparation for making that work, split the two options. Further, split out the SMP depend so that we can allow some for SMP. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: disable preempt with smp_processor_id to send messagesSonic Zhang1-6/+8
The smp_processor_id() API requires that preempt be disabled when calling it, so make sure it is when we go to send messages to other processors. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: delay enabling caches until CPU is initializedsteven miao1-2/+2
Defer bfin_setup_caches(cpu) to avoid unexpected faults due to the cpu state not yet being fully initialized. Signed-off-by: steven miao <realmz6@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: use standard cache functionsMike Frysinger1-3/+3
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: PERCPU section should be PAGE alignedsteven miao1-1/+1
Common code checks the alignment of some of the variables and calls BUG() if they aren't page aligned. Signed-off-by: steven miao <realmz6@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: ADI boards: enable pseudo debug insns supportMike Frysinger11-0/+11
We use these insns when testing, so enable them by default for all of our development boards. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: kgdb: drop dead KGDB_THR_PROC_SWAP for SMP systemsSonic Zhang1-4/+0
Common code no longer defines this, so stop using it. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: dnp5370: drop MMC card detect supportAndreas Schallenberg1-20/+0
The board doesn't actually have a pin hooked up to do card detection, so punt the code for it. Signed-off-by: Andreas Schallenberg <Andreas.Schallenberg@3alitydigital.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: add bfin_write_{or,and} helpersMike Frysinger1-2/+14
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: bf548-ezkit: add CAN1 supportAaron Wu1-7/+48
Signed-off-by: Aaron Wu <aaronwu06@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: bf54x: add kconfig for UART2/3 DMA channel assignmentssteven miao4-21/+102
The BF54x lacks dedicated DMA channels for the UART peripherals and need to be muxed between others. So add a kconfig option so people can select which channels the UARTs will use so they can pick between SPORTs and the less commonly used EPPI/PIXC peripherals. Signed-off-by: steven miao <realmz6@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-18Blackfin: SMP: avoid section mismatch warningsSonic Zhang1-1/+1
Since coreb_trampoline_start() calls coreb_start(), they need to be in the same section. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-03-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds52-557/+865
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (27 commits) arch/tile: support newer binutils assembler shift semantics arch/tile: fix deadlock bugs in rwlock implementation drivers/edac: provide support for tile architecture tile on-chip network driver: sync up with latest fixes arch/tile: support 4KB page size as well as 64KB arch/tile: add some more VMSPLIT options and use consistent naming arch/tile: fix some comments and whitespace arch/tile: export some additional module symbols arch/tile: enhance existing finv_buffer_remote() routine arch/tile: fix two bugs in the backtracer code arch/tile: use extended assembly to inline __mb_incoherent() arch/tile: use a cleaner technique to enable interrupt for cpu_idle() arch/tile: sync up with <arch/sim.h> and <arch/sim_def.h> changes arch/tile: fix reversed test of strict_strtol() return value arch/tile: avoid a simulator warning during bootup arch/tile: export <asm/hardwall.h> to userspace arch/tile: warn and retry if an IPI is not accepted by the target cpu arch/tile: stop disabling INTCTRL_1 interrupts during hypervisor downcalls arch/tile: fix __ndelay etc to work better arch/tile: bug fix: exec'ed task thought it was still single-stepping ... Fix up trivial conflict in arch/tile/kernel/vmlinux.lds.S (percpu alignment vs section naming convention fix)
2011-03-17Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6Linus Torvalds199-4635/+16962
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (258 commits) omap: zoom: host should not pull up wl1271's irq line arm: plat-omap: iommu: fix request_mem_region() error path OMAP2+: Common CPU DIE ID reading code reads wrong registers for OMAP4430 omap4: mux: Remove duplicate mux modes omap: iovmm: don't check 'da' to set IOVMF_DA_FIXED flag omap: iovmm: disallow mapping NULL address when IOVMF_DA_ANON is set omap2+: mux: Fix compile when CONFIG_OMAP_MUX is not selected omap4: board-omap4panda: Initialise the serial pads omap3: board-3430sdp: Initialise the serial pads omap4: board-4430sdp: Initialise the serial pads omap2+: mux: Add macro for configuring static with omap_hwmod_mux_init omap2+: mux: Remove the use of IDLE flag omap2+: Add separate list for dynamic pads to mux perf: add OMAP support for the new power events OMAP4: Add IVA OPP enteries. OMAP4: Update Voltage Rail Values for MPU, IVA and CORE OMAP4: Enable 800 MHz and 1 GHz MPU-OPP OMAP3+: OPP: Replace voltage values with Macros OMAP3: wdtimer: Fix CORE idle transition Watchdog: omap_wdt: add fine grain runtime-pm ... Fix up various conflicts in - arch/arm/mach-omap2/board-omap3evm.c - arch/arm/mach-omap2/clock3xxx_data.c - arch/arm/mach-omap2/usb-musb.c - arch/arm/plat-omap/include/plat/usb.h - drivers/usb/musb/musb_core.h
2011-03-17Merge branch 'for-linus' of git://codeaurora.org/quic/kernel/davidb/linux-msmLinus Torvalds57-961/+1641
* 'for-linus' of git://codeaurora.org/quic/kernel/davidb/linux-msm: (46 commits) msm: scm: Check for interruption immediately msm: scm: Fix improper register assignment msm: scm: Mark inline asm as volatile msm: iommu: Enable HTW L2 redirection on MSM8960 msm: iommu: Don't read from write-only registers msm: iommu: Remove dependency on IDR msm: iommu: Use ASID tagging instead of VMID tagging msm: iommu: Rework clock logic and add IOMMU bus clock control msm: iommu: Clock control for the IOMMU driver msm: mdp: Set the correct pack pattern for XRGB/ARGB msm_fb: Fix framebuffer console msm: mdp: Add support for RGBX 8888 image format. video: msmfb: Put the partial update magic value into the fix_screen struct. msm: clock: Migrate to clkdev msm: clock: Remove references to clk_ops_pcom msm: headsmp.S: Fix section mismatch msm: Use explicit GPLv2 licenses msm: iommu: Enable IOMMU support for MSM8960 msm: iommu: Generalize platform data for multiple targets msm: iommu: Create a Kconfig item for the IOMMU driver ...
2011-03-17Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds406-5754/+17615
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits) davinci: DM644x EVM: register MUSB device earlier davinci: add spi devices on tnetv107x evm davinci: add ssp config for tnetv107x evm board davinci: add tnetv107x ssp platform device spi: add ti-ssp spi master driver mfd: add driver for sequencer serial port ARM: EXYNOS4: Implement Clock gating for System MMU ARM: EXYNOS4: Enhancement of System MMU driver ARM: EXYNOS4: Add support for gpio interrupts ARM: S5P: Add function to register gpio interrupt bank data ARM: S5P: Cleanup S5P gpio interrupt code ARM: EXYNOS4: Add missing GPYx banks ARM: S3C64XX: Fix section mismatch from cpufreq init ARM: EXYNOS4: Add keypad device to the SMDKV310 ARM: EXYNOS4: Update clocks for keypad ARM: EXYNOS4: Update keypad base address ARM: EXYNOS4: Add keypad device helpers ARM: EXYNOS4: Add support for SATA on ARMLEX4210 plat-nomadik: make GPIO interrupts work with cpuidle ApSleep mach-u300: define a dummy filter function for coh901318 ... Fix up various conflicts in - arch/arm/mach-exynos4/cpufreq.c - arch/arm/mach-mxs/gpio.c - drivers/net/Kconfig - drivers/tty/serial/Kconfig - drivers/tty/serial/Makefile - drivers/usb/gadget/fsl_mxc_udc.c - drivers/video/Kconfig
2011-03-17Merge branches 'defcfg', 'drivers' and 'cyberpro-next' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds3-10/+193
* 'defcfg' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6647/1: add Versatile Express defconfig ARM: 6644/1: mach-ux500: update the U8500 defconfig * 'drivers' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6764/1: pl011: factor out FIFO to TTY code ARM: 6763/1: pl011: add optional RX DMA to PL011 v2 ARM: 6758/1: amba: support pm ops ARM: amba: make amba_driver id_table const ARM: amba: make internal ID table handling const ARM: amba: make probe() functions take const id tables ARM: 6662/1: amba: make amba_bustype non-static ARM: mmci: add dmaengine-based DMA support ARM: mmci: no need for separate host->data_xfered ARM: mmci: avoid unnecessary switch to data available PIO interrupts ARM: mmci: no need to call flush_dcache_page() with sg_miter API ARM: mmci: avoid reporting too many completed bytes on fifo overrun ALSA: AACI: make fifo variables more explanitory ALSA: AACI: no need to call snd_pcm_period_elapsed() for each period ALSA: AACI: use snd_pcm_lib_period_bytes() ALSA: AACI: clean up AACI announcement printk ALSA: AACI: fix channel mask selection ALSA: AACI: fix number of channels for record ALSA: AACI: fix multiple IRQ claiming * 'cyberpro-next' of master.kernel.org:/home/rmk/linux-2.6-arm: VIDEO: cyberpro: remove unused cyber2000fb_get_fb_var() VIDEO: cyberpro: remove useless function extreg pointers VIDEO: cyberpro: update handling of device structures VIDEO: cyberpro: add support for video capture I2C VIDEO: cyberpro: make 'reg_b0_lock' always present VIDEO: cyberpro: add I2C support VIDEO: cyberpro: select lowest multipler/divisor for PLL
2011-03-17Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds20-291/+333
* 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (55 commits) KVM: unbreak userspace that does not sets tss address KVM: MMU: cleanup pte write path KVM: MMU: introduce a common function to get no-dirty-logged slot KVM: fix rcu usage in init_rmode_* functions KVM: fix kvmclock regression due to missing clock update KVM: emulator: Fix permission checking in io permission bitmap KVM: emulator: Fix io permission checking for 64bit guest KVM: SVM: Load %gs earlier if CONFIG_X86_32_LAZY_GS=n KVM: x86: Remove useless regs_page pointer from kvm_lapic KVM: improve comment on rcu use in irqfd_deassign KVM: MMU: remove unused macros KVM: MMU: cleanup page alloc and free KVM: MMU: do not record gfn in kvm_mmu_pte_write KVM: MMU: move mmu pages calculated out of mmu lock KVM: MMU: set spte accessed bit properly KVM: MMU: fix kvm_mmu_slot_remove_write_access dropping intermediate W bits KVM: Start lock documentation KVM: better readability of efer_reserved_bits KVM: Clear async page fault hash after switching to real mode KVM: VMX: Initialize vm86 TSS only once. ...
2011-03-17Merge branches 'stable/irq.fairness' and 'stable/irq.ween_of_nr_irqs' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xenLinus Torvalds1-12/+29
* 'stable/irq.fairness' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: events: Remove redundant clear of l2i at end of round-robin loop xen: events: Make round-robin scan fairer by snapshotting each l2 word once only xen: events: Clean up round-robin evtchn scan. xen: events: Make last processed event channel a per-cpu variable. xen: events: Process event channels notifications in round-robin order. * 'stable/irq.ween_of_nr_irqs' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: events: Fix compile error if CONFIG_SMP is not defined. xen: events: correct locking in xen_irq_from_pirq xen: events: propagate irq allocation failure instead of panicking xen: events: do not workaround too-small nr_irqs xen: events: remove use of nr_irqs as upper bound on number of pirqs xen: events: dynamically allocate irq info structures xen: events: maintain a list of Xen interrupts xen: events: push setup of irq<->{evtchn,ipi,virq,pirq} maps into irq_info init functions xen: events: turn irq_info constructors into initialiser functions xen: events: use per-cpu variable for cpu_evtchn_mask xen: events: refactor GSI pirq bindings functions xen: events: rename restore_cpu_pirqs -> restore_pirqs xen: events: remove unused public functions xen: events: fix xen_map_pirq_gsi error return xen: events: simplify comment xen: events: separate two unrelated halves of if condition Fix up trivial conflicts in drivers/xen/events.c
2011-03-17Merge branches 'stable/hvc-console', 'stable/gntalloc.v6' and 'stable/balloon' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xenLinus Torvalds1-2/+1
* 'stable/hvc-console' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/hvc: Disable probe_irq_on/off from poking the hvc-console IRQ line. * 'stable/gntalloc.v6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: gntdev: fix build warning xen/p2m/m2p/gnttab: do not add failed grant maps to m2p override xen-gntdev: Add cast to pointer xen-gntdev: Fix incorrect use of zero handle xen: change xen/[gntdev/gntalloc] to default m xen-gntdev: prevent using UNMAP_NOTIFY_CLEAR_BYTE on read-only mappings xen-gntdev: Avoid double-mapping memory xen-gntdev: Avoid unmapping ranges twice xen-gntdev: Use map->vma for checking map validity xen-gntdev: Fix unmap notify on PV domains xen-gntdev: Fix memory leak when mmap fails xen/gntalloc,gntdev: Add unmap notify ioctl xen-gntalloc: Userspace grant allocation driver xen-gntdev: Support mapping in HVM domains xen-gntdev: Add reference counting to maps xen-gntdev: Use find_vma rather than iterating our vma list manually xen-gntdev: Change page limit to be global instead of per-open * 'stable/balloon' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (24 commits) xen-gntdev: Use ballooned pages for grant mappings xen-balloon: Add interface to retrieve ballooned pages xen-balloon: Move core balloon functionality out of module xen/balloon: Remove pr_info's and don't alter retry_count xen/balloon: Protect against CPU exhaust by event/x process xen/balloon: Migration from mod_timer() to schedule_delayed_work() xen/balloon: Removal of driver_pages
2011-03-17Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds6-10/+5
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] pcc-cpufreq: remove duplicate statements [CPUFREQ] Remove the pm_message_t argument from driver suspend [CPUFREQ] Remove unneeded locks [CPUFREQ] Remove old, deprecated per cpu ondemand/conservative sysfs files [CPUFREQ] Remove deprecated sysfs file sampling_rate_max [CPUFREQ] powernow-k8: The table index is not worth displaying [CPUFREQ] calculate delay after dbs_check_cpu [CPUFREQ] Add documentation for sampling_down_factor [CPUFREQ] drivers/cpufreq: Remove unnecessary semicolons
2011-03-17Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds1-1/+1
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (38 commits) amd64_edac: Fix decode_syndrome types amd64_edac: Fix DCT argument type amd64_edac: Fix ranges signedness amd64_edac: Drop local variable amd64_edac: Fix PCI config addressing types amd64_edac: Fix DRAM base macros amd64_edac: Fix node id signedness amd64_edac: Drop redundant declarations amd64_edac: Enable driver on F15h amd64_edac: Adjust ECC symbol size to F15h amd64_edac: Simplify scrubrate setting PCI: Rename CPU PCI id define amd64_edac: Improve DRAM address mapping amd64_edac: Sanitize ->read_dram_ctl_register amd64_edac: Adjust sys_addr to chip select conversion routine to F15h amd64_edac: Beef up early exit reporting amd64_edac: Revamp online spare handling amd64_edac: Fix channel interleave removal amd64_edac: Correct node interleaving removal amd64_edac: Add support for interleaved region swapping ... Fix up trivial conflict in include/linux/pci_ids.h due to AMD_15H_NB_MISC being renamed as AMD_15H_NB_F3 next to the new AMD_15H_NB_LINK entry.
2011-03-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds2-0/+17
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: booke_wdt: clean up status messages watchdog: cleanup spaces before tabs watchdog: convert to DEFINE_PCI_DEVICE_TABLE watchdog: Xen watchdog driver watchdog: Intel SCU Watchdog Timer Driver for Moorestown and Medfield platforms. watchdog: jz4740_wdt - fix magic character checking watchdog: add JZ4740 watchdog driver watchdog: it87_wdt: Add support for IT8721F watchdog watchdog: hpwdt: build hpwdt as module by default with NMI_DECODING enabled watchdog: hpwdt: Fix a couple of typos
2011-03-17arch/tile: support newer binutils assembler shift semanticsChris Metcalf3-9/+29
This change supports building the kernel with newer binutils where a shift of greater than the word size is no longer interpreted silently as modulo the word size, but instead generates a warning. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2011-03-17Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linusChris Metcalf127-736/+929
2011-03-17Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32Linus Torvalds148-0/+18051
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32: (40 commits) unicore32: rewrite arch-specific tlb.h to use asm-generic version unicore32: modify io_p2v and io_v2p macros, and adjust PKUNITY_mmio_BASEs unicore32: replace unicore32-specific iomap functions with generic lib implementation unicore32 machine related: add frame buffer driver for pkunity-v3 soc unicore32 machine related files: add i2c bus drivers for pkunity-v3 soc unicore32 io: redefine __REG(x) and re-use readl/writel funcs unicore32 i8042 upgrade and bugfix: adjust resource request region type unicore32 upgrade to v2.6.38-rc5: add one more paramter for pte_alloc_map call unicore32 i8042: adjust io funcs of i8042-unicore32io.h unicore32: rename PKUNITY_IOSPACE_BASE to PKUNITY_MMIO_BASE unicore32: modify function names and parameters for irq_chips unicore32: remove unused lines in arch/unicore32/include/asm/irq.h unicore32 time.c: change calculate method for clock_event_device unicore32: ADD MAINTAINER for unicore32 architecture unicore32 machine related files: ps2 driver unicore32 machine related files: pci bus handling unicore32 machine related files: hardware registers unicore32 machine related files: core files unicore32 additional architecture files: boot process unicore32 additional architecture files: low-level lib: misc ... Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-03-17Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds9-18/+82
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] kexec: Disable ftrace during kexec [S390] support XZ compressed kernel [S390] css_bus_type: make it static [S390] css_driver: remove duplicate members [S390] css: remove subchannel private [S390] css: move chsc_private to drv_data [S390] css: move io_private to drv_data [S390] cio: move cdev pointer to io_subchannel_private [S390] cio: move options to io_sch_private [S390] cio: move asms to generic header [S390] cio: move orb definitions to separate header [S390] Write protect module text and RO data [S390] dasd: get rid of compile warning [S390] remove superfluous check from do_IRQ [S390] remove redundant stack check option
2011-03-17Merge branch 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds19-84/+857
* 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (34 commits) sh: Convert to generic show_interrupts. sh: Wire up new fhandle and clock_adjtime syscalls. sh: modify platform_device for sh_eth driver sh: add GETHER's platform_device in board-sh7757lcr sh: update sh7757lcr_defconfig sh: add platform_device of tmio_mmc and sh_mmcif to sh7757lcr sh: dmaengine support for SH7757 sh: add mmc clock in clock-sh7757 sh: add spi_board_info in sh7757lcr sh: add platform_device for SPI sh: add USB_ARCH_HAS_EHCI and OHCI for SH7757 sh: Rename cpuidle states to fit general conventions serial: sh-sci: fix deadlock when resuming from S3 sleep sh: Enable CONFIG_GCOV_PROFILE_ALL for sh sh: Fix up async PCIe probing on SMP. serial: sh-sci: Kill off the special earlyprintk device. serial: sh-sci: Use dev_name() for region reservations. serial: sh-sci: Fix up earlyprintk port mapping. serial: sh-sci: Limit early console to one device. serial: sh-sci: Fix up break timer scheduling race. ...
2011-03-17KVM: unbreak userspace that does not sets tss addressGleb Natapov1-0/+13
Commit 6440e5967bc broke old userspaces that do not set tss address before entering vcpu. Unbreak it by setting tss address to a safe value on the first vcpu entry. New userspaces should set tss address, so print warning in case it doesn't. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-03-17KVM: MMU: cleanup pte write pathXiao Guangrong3-56/+32
This patch does: - call vcpu->arch.mmu.update_pte directly - use gfn_to_pfn_atomic in update_pte path The suggestion is from Avi. Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-03-17KVM: MMU: introduce a common function to get no-dirty-logged slotXiao Guangrong1-20/+17
Cleanup the code of pte_prefetch_gfn_to_memslot and mapping_level_dirty_bitmap Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-03-17KVM: fix rcu usage in init_rmode_* functionsXiao Guangrong1-4/+8
fix: [ 3494.671786] stack backtrace: [ 3494.671789] Pid: 10527, comm: qemu-system-x86 Not tainted 2.6.38-rc6+ #23 [ 3494.671790] Call Trace: [ 3494.671796] [] ? lockdep_rcu_dereference+0x9d/0xa5 [ 3494.671826] [] ? kvm_memslots+0x6b/0x73 [kvm] [ 3494.671834] [] ? gfn_to_memslot+0x16/0x4f [kvm] [ 3494.671843] [] ? gfn_to_hva+0x16/0x27 [kvm] [ 3494.671851] [] ? kvm_write_guest_page+0x31/0x83 [kvm] [ 3494.671861] [] ? kvm_clear_guest_page+0x1a/0x1c [kvm] [ 3494.671867] [] ? vmx_set_tss_addr+0x83/0x122 [kvm_intel] and: [ 8328.789599] stack backtrace: [ 8328.789601] Pid: 18736, comm: qemu-system-x86 Not tainted 2.6.38-rc6+ #23 [ 8328.789603] Call Trace: [ 8328.789609] [] ? lockdep_rcu_dereference+0x9d/0xa5 [ 8328.789621] [] ? kvm_memslots+0x6b/0x73 [kvm] [ 8328.789628] [] ? gfn_to_memslot+0x16/0x4f [kvm] [ 8328.789635] [] ? gfn_to_hva+0x16/0x27 [kvm] [ 8328.789643] [] ? kvm_write_guest_page+0x31/0x83 [kvm] [ 8328.789699] [] ? kvm_clear_guest_page+0x1a/0x1c [kvm] [ 8328.789713] [] ? vmx_create_vcpu+0x316/0x3c8 [kvm_intel] Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-03-17KVM: fix kvmclock regression due to missing clock updateNikola Ciprich1-1/+1
commit 387b9f97750444728962b236987fbe8ee8cc4f8c moved kvm_request_guest_time_update(vcpu), breaking 32bit SMP guests using kvm-clock. Fix this by moving (new) clock update function to proper place. Signed-off-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz> Acked-by: Zachary Amsden <zamsden@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-03-17KVM: emulator: Fix permission checking in io permission bitmapGleb Natapov1-3/+2
Currently if io port + len crosses 8bit boundary in io permission bitmap the check may allow IO that otherwise should not be allowed. The patch fixes that. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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