diff --git a/arch/parisc/include/asm/shmparam.h b/arch/parisc/include/asm/shmparam.h index 628ddc22faa8..afe1300ab667 100644 --- a/arch/parisc/include/asm/shmparam.h +++ b/arch/parisc/include/asm/shmparam.h @@ -1,8 +1,7 @@ #ifndef _ASMPARISC_SHMPARAM_H #define _ASMPARISC_SHMPARAM_H -#define __ARCH_FORCE_SHMLBA 1 - -#define SHMLBA 0x00400000 /* attach addr needs to be 4 Mb aligned */ +#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ +#define SHM_COLOUR 0x00400000 /* shared mappings colouring */ #endif /* _ASMPARISC_SHMPARAM_H */ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index a6ffc775a9f8..f6448c7c62b5 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -323,7 +323,8 @@ void flush_dcache_page(struct page *page) * specifically accesses it, of course) */ flush_tlb_page(mpnt, addr); - if (old_addr == 0 || (old_addr & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) { + if (old_addr == 0 || (old_addr & (SHM_COLOUR - 1)) + != (addr & (SHM_COLOUR - 1))) { __flush_cache_page(mpnt, addr, page_to_phys(page)); if (old_addr) printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %s\n", old_addr, addr, mpnt->vm_file ? (char *)mpnt->vm_file->f_path.dentry->d_name.name : "(null)"); diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index b7cadc4a06cd..31ffa9b55322 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -45,7 +45,7 @@ static int get_offset(unsigned int last_mmap) { - return (last_mmap & (SHMLBA-1)) >> PAGE_SHIFT; + return (last_mmap & (SHM_COLOUR-1)) >> PAGE_SHIFT; } static unsigned long shared_align_offset(unsigned int last_mmap, @@ -57,8 +57,8 @@ static unsigned long shared_align_offset(unsigned int last_mmap, static inline unsigned long COLOR_ALIGN(unsigned long addr, unsigned int last_mmap, unsigned long pgoff) { - unsigned long base = (addr+SHMLBA-1) & ~(SHMLBA-1); - unsigned long off = (SHMLBA-1) & + unsigned long base = (addr+SHM_COLOUR-1) & ~(SHM_COLOUR-1); + unsigned long off = (SHM_COLOUR-1) & (shared_align_offset(last_mmap, pgoff) << PAGE_SHIFT); return base + off; @@ -101,7 +101,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, if (flags & MAP_FIXED) { if ((flags & MAP_SHARED) && last_mmap && (addr - shared_align_offset(last_mmap, pgoff)) - & (SHMLBA - 1)) + & (SHM_COLOUR - 1)) return -EINVAL; goto found_addr; } @@ -122,7 +122,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, info.length = len; info.low_limit = mm->mmap_legacy_base; info.high_limit = mmap_upper_limit(); - info.align_mask = last_mmap ? (PAGE_MASK & (SHMLBA - 1)) : 0; + info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; info.align_offset = shared_align_offset(last_mmap, pgoff); addr = vm_unmapped_area(&info); @@ -161,7 +161,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, if (flags & MAP_FIXED) { if ((flags & MAP_SHARED) && last_mmap && (addr - shared_align_offset(last_mmap, pgoff)) - & (SHMLBA - 1)) + & (SHM_COLOUR - 1)) return -EINVAL; goto found_addr; } @@ -182,7 +182,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, info.length = len; info.low_limit = PAGE_SIZE; info.high_limit = mm->mmap_base; - info.align_mask = last_mmap ? (PAGE_MASK & (SHMLBA - 1)) : 0; + info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; info.align_offset = shared_align_offset(last_mmap, pgoff); addr = vm_unmapped_area(&info); if (!(addr & ~PAGE_MASK)) diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 80e5dd248934..83ead0ea127d 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -392,7 +392,7 @@ ENTRY_COMP(vmsplice) ENTRY_COMP(move_pages) /* 295 */ ENTRY_SAME(getcpu) - ENTRY_SAME(epoll_pwait) + ENTRY_COMP(epoll_pwait) ENTRY_COMP(statfs64) ENTRY_COMP(fstatfs64) ENTRY_COMP(kexec_load) /* 300 */ diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index 413dc1769299..b2b441b32341 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -470,7 +470,7 @@ static unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len) return 0; /* if a load or store fault occured we can get the faulty addr */ - d = &__get_cpu_var(exception_data); + d = this_cpu_ptr(&exception_data); fault_addr = d->fault_addr; /* error in load or store? */ diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 9d08c71a967e..747550762f3c 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -151,7 +151,7 @@ int fixup_exception(struct pt_regs *regs) fix = search_exception_tables(regs->iaoq[0]); if (fix) { struct exception_data *d; - d = &__get_cpu_var(exception_data); + d = this_cpu_ptr(&exception_data); d->fault_ip = regs->iaoq[0]; d->fault_space = regs->isr; d->fault_addr = regs->ior;