diff options
Diffstat (limited to 'arch/parisc')
-rw-r--r-- | arch/parisc/Kconfig | 2 | ||||
-rw-r--r-- | arch/parisc/Makefile | 4 | ||||
-rw-r--r-- | arch/parisc/boot/compressed/Makefile | 1 | ||||
-rw-r--r-- | arch/parisc/include/asm/cacheflush.h | 30 | ||||
-rw-r--r-- | arch/parisc/include/asm/checksum.h | 7 | ||||
-rw-r--r-- | arch/parisc/include/asm/floppy.h | 19 | ||||
-rw-r--r-- | arch/parisc/include/asm/hugetlb.h | 10 | ||||
-rw-r--r-- | arch/parisc/include/asm/pgtable.h | 2 | ||||
-rw-r--r-- | arch/parisc/kernel/firmware.c | 3 | ||||
-rw-r--r-- | arch/parisc/kernel/hardware.c | 3 | ||||
-rw-r--r-- | arch/parisc/kernel/module.c | 4 | ||||
-rw-r--r-- | arch/parisc/kernel/perf.c | 2 | ||||
-rw-r--r-- | arch/parisc/kernel/syscalls/syscall.tbl | 1 | ||||
-rw-r--r-- | arch/parisc/lib/checksum.c | 20 | ||||
-rw-r--r-- | arch/parisc/mm/init.c | 24 |
15 files changed, 28 insertions, 104 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 3801a2ef9bca..92128f9164ce 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -68,7 +68,7 @@ config PARISC The PA-RISC microprocessor is designed by Hewlett-Packard and used in many of their workstations & servers (HP9000 700 and 800 series, and later HP3000 series). The PA-RISC Linux project home page is - at <http://www.parisc-linux.org/>. + at <https://parisc.wiki.kernel.org>. config CPU_BIG_ENDIAN def_bool y diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 628cd8bb7ad8..fadbbd010337 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -21,8 +21,6 @@ KBUILD_IMAGE := vmlinuz NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 -LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) -export LIBGCC ifdef CONFIG_64BIT UTS_MACHINE := parisc64 @@ -110,6 +108,8 @@ cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 head-y := arch/parisc/kernel/head.o KBUILD_CFLAGS += $(cflags-y) +LIBGCC := $(shell $(CC) -print-libgcc-file-name) +export LIBGCC kernel-y := mm/ kernel/ math-emu/ diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile index 1e5879c6a752..dff453687530 100644 --- a/arch/parisc/boot/compressed/Makefile +++ b/arch/parisc/boot/compressed/Makefile @@ -16,6 +16,7 @@ targets += real2.S firmware.c KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING +KBUILD_CFLAGS += -fno-strict-aliasing KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os ifndef CONFIG_64BIT diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 0c83644bfa5c..99663fc1f997 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -100,37 +100,11 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma } } -#include <asm/kmap_types.h> - -#define ARCH_HAS_KMAP - -static inline void *kmap(struct page *page) -{ - might_sleep(); - return page_address(page); -} - -static inline void kunmap(struct page *page) -{ - flush_kernel_dcache_page_addr(page_address(page)); -} - -static inline void *kmap_atomic(struct page *page) -{ - preempt_disable(); - pagefault_disable(); - return page_address(page); -} - -static inline void __kunmap_atomic(void *addr) +#define ARCH_HAS_FLUSH_ON_KUNMAP +static inline void kunmap_flush_on_unmap(void *addr) { flush_kernel_dcache_page_addr(addr); - pagefault_enable(); - preempt_enable(); } -#define kmap_atomic_prot(page, prot) kmap_atomic(page) -#define kmap_atomic_pfn(pfn) kmap_atomic(pfn_to_page(pfn)) - #endif /* _PARISC_CACHEFLUSH_H */ diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h index c1c22819a04d..fe8c63b2d2c3 100644 --- a/arch/parisc/include/asm/checksum.h +++ b/arch/parisc/include/asm/checksum.h @@ -27,13 +27,6 @@ extern __wsum csum_partial(const void *, int, __wsum); extern __wsum csum_partial_copy_nocheck(const void *, void *, int, __wsum); /* - * this is a new version of the above that records errors it finds in *errp, - * but continues and zeros the rest of the buffer. - */ -extern __wsum csum_partial_copy_from_user(const void __user *src, - void *dst, int len, __wsum sum, int *errp); - -/* * Optimized for IP headers, which always checksum on 4 octet boundaries. * * Written by Randolph Chung <tausq@debian.org>, and then mucked with by diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h index 09b6f4c1687e..762cfe7778c0 100644 --- a/arch/parisc/include/asm/floppy.h +++ b/arch/parisc/include/asm/floppy.h @@ -29,8 +29,8 @@ #define CSW fd_routine[can_use_virtual_dma & 1] -#define fd_inb(port) readb(port) -#define fd_outb(value, port) writeb(value, port) +#define fd_inb(base, reg) readb((base) + (reg)) +#define fd_outb(value, base, reg) writeb(value, (base) + (reg)) #define fd_request_dma() CSW._request_dma(FLOPPY_DMA,"floppy") #define fd_free_dma() CSW._free_dma(FLOPPY_DMA) @@ -75,27 +75,28 @@ static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs) register char *lptr = virtual_dma_addr; for (lcount = virtual_dma_count; lcount; lcount--) { - st = fd_inb(virtual_dma_port+4) & 0xa0 ; - if (st != 0xa0) + st = fd_inb(virtual_dma_port, FD_STATUS); + st &= STATUS_DMA | STATUS_READY; + if (st != (STATUS_DMA | STATUS_READY)) break; if (virtual_dma_mode) { - fd_outb(*lptr, virtual_dma_port+5); + fd_outb(*lptr, virtual_dma_port, FD_DATA); } else { - *lptr = fd_inb(virtual_dma_port+5); + *lptr = fd_inb(virtual_dma_port, FD_DATA); } lptr++; } virtual_dma_count = lcount; virtual_dma_addr = lptr; - st = fd_inb(virtual_dma_port+4); + st = fd_inb(virtual_dma_port, FD_STATUS); } #ifdef TRACE_FLPY_INT calls++; #endif - if (st == 0x20) + if (st == STATUS_DMA) return; - if (!(st & 0x20)) { + if (!(st & STATUS_DMA)) { virtual_dma_residue += virtual_dma_count; virtual_dma_count = 0; #ifdef TRACE_FLPY_INT diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h index 7cb595dcb7d7..a69cf9efb0c1 100644 --- a/arch/parisc/include/asm/hugetlb.h +++ b/arch/parisc/include/asm/hugetlb.h @@ -12,12 +12,6 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -static inline int is_hugepage_only_range(struct mm_struct *mm, - unsigned long addr, - unsigned long len) { - return 0; -} - /* * If the arch doesn't supply something else, assume that hugepage * size aligned regions are ok without further preparation. @@ -48,10 +42,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #include <asm-generic/hugetlb.h> #endif /* _ASM_PARISC64_HUGETLB_H */ diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 9832c73a7021..cd7df48dc874 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -93,10 +93,8 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) #define set_pte_at(mm, addr, ptep, pteval) \ do { \ - pte_t old_pte; \ unsigned long flags; \ spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);\ - old_pte = *ptep; \ set_pte(ptep, pteval); \ purge_tlb_entries(mm, addr); \ spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);\ diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 1d976f2ebff0..665b70086685 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -4,7 +4,8 @@ * * PDC == Processor Dependent Code * - * See http://www.parisc-linux.org/documentation/index.html + * See PDC documentation at + * https://parisc.wiki.kernel.org/index.php/Technical_Documentation * for documentation describing the entry points and calling * conventions defined below. * diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index 98c5203c1ab0..17161e72ea29 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -6,7 +6,8 @@ * * Based on the document "PA-RISC 1.1 I/O Firmware Architecture * Reference Specification", March 7, 1999, version 0.96. This - * is available at http://parisc-linux.org/documentation/ + * is available at + * https://parisc.wiki.kernel.org/index.php/Technical_Documentation * * Copyright 1999 by Alex deVries <alex@onefishtwo.ca> * and copyright 1999 The Puffin Group Inc. diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index 1c50093e2ebe..fac18c623d16 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -3,9 +3,9 @@ * * The best reference for this stuff is probably the Processor- * Specific ELF Supplement for PA-RISC: - * http://ftp.parisc-linux.org/docs/arch/elf-pa-hp.pdf + * https://parisc.wiki.kernel.org/index.php/File:Elf-pa-hp.pdf * - * Linux/PA-RISC Project (http://www.parisc-linux.org/) + * Linux/PA-RISC Project * Copyright (C) 2003 Randolph Chung <tausq at debian . org> * Copyright (C) 2008 Helge Deller <deller@gmx.de> * diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index e1a8fee3ad49..d46b6709ec56 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -300,7 +300,7 @@ static ssize_t perf_write(struct file *file, const char __user *buf, else return -EFAULT; - if (!capable(CAP_SYS_ADMIN)) + if (!perfmon_capable()) return -EACCES; if (count != sizeof(uint32_t)) diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 52a15f5cd130..5a758fa6ec52 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -435,3 +435,4 @@ 435 common clone3 sys_clone3_wrapper 437 common openat2 sys_openat2 438 common pidfd_getfd sys_pidfd_getfd +439 common faccessat2 sys_faccessat2 diff --git a/arch/parisc/lib/checksum.c b/arch/parisc/lib/checksum.c index 256322c7b648..c6f161583549 100644 --- a/arch/parisc/lib/checksum.c +++ b/arch/parisc/lib/checksum.c @@ -123,23 +123,3 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst, return sum; } EXPORT_SYMBOL(csum_partial_copy_nocheck); - -/* - * Copy from userspace and compute checksum. If we catch an exception - * then zero the rest of the buffer. - */ -__wsum csum_partial_copy_from_user(const void __user *src, - void *dst, int len, - __wsum sum, int *err_ptr) -{ - int missing; - - missing = copy_from_user(dst, src, len); - if (missing) { - memset(dst + len - missing, 0, missing); - *err_ptr = -EFAULT; - } - - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy_from_user); diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 5224fb38d766..cdd760d39e7c 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -562,7 +562,7 @@ void __init mem_init(void) > BITS_PER_LONG); high_memory = __va((max_pfn << PAGE_SHIFT)); - set_max_mapnr(page_to_pfn(virt_to_page(high_memory - 1)) + 1); + set_max_mapnr(max_low_pfn); memblock_free_all(); #ifdef CONFIG_PA11 @@ -675,27 +675,11 @@ static void __init gateway_init(void) static void __init parisc_bootmem_free(void) { - unsigned long zones_size[MAX_NR_ZONES] = { 0, }; - unsigned long holes_size[MAX_NR_ZONES] = { 0, }; - unsigned long mem_start_pfn = ~0UL, mem_end_pfn = 0, mem_size_pfn = 0; - int i; - - for (i = 0; i < npmem_ranges; i++) { - unsigned long start = pmem_ranges[i].start_pfn; - unsigned long size = pmem_ranges[i].pages; - unsigned long end = start + size; - - if (mem_start_pfn > start) - mem_start_pfn = start; - if (mem_end_pfn < end) - mem_end_pfn = end; - mem_size_pfn += size; - } + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; - zones_size[0] = mem_end_pfn - mem_start_pfn; - holes_size[0] = zones_size[0] - mem_size_pfn; + max_zone_pfn[0] = memblock_end_of_DRAM(); - free_area_init_node(0, zones_size, mem_start_pfn, holes_size); + free_area_init(max_zone_pfn); } void __init paging_init(void) |