diff options
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r-- | arch/powerpc/mm/book3s64/iommu_api.c | 4 | ||||
-rw-r--r-- | arch/powerpc/mm/book3s64/subpage_prot.c | 12 | ||||
-rw-r--r-- | arch/powerpc/mm/copro_fault.c | 4 | ||||
-rw-r--r-- | arch/powerpc/mm/fault.c | 12 |
4 files changed, 16 insertions, 16 deletions
diff --git a/arch/powerpc/mm/book3s64/iommu_api.c b/arch/powerpc/mm/book3s64/iommu_api.c index fa05bbd1f682..563faa10bb66 100644 --- a/arch/powerpc/mm/book3s64/iommu_api.c +++ b/arch/powerpc/mm/book3s64/iommu_api.c @@ -96,7 +96,7 @@ static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua, goto unlock_exit; } - down_read(&mm->mmap_sem); + mmap_read_lock(mm); chunk = (1UL << (PAGE_SHIFT + MAX_ORDER - 1)) / sizeof(struct vm_area_struct *); chunk = min(chunk, entries); @@ -114,7 +114,7 @@ static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua, pinned += ret; break; } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); if (pinned != entries) { if (!ret) ret = -EFAULT; diff --git a/arch/powerpc/mm/book3s64/subpage_prot.c b/arch/powerpc/mm/book3s64/subpage_prot.c index 6c9d5415aa72..e814d34bf7f4 100644 --- a/arch/powerpc/mm/book3s64/subpage_prot.c +++ b/arch/powerpc/mm/book3s64/subpage_prot.c @@ -94,7 +94,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len) size_t nw; unsigned long next, limit; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); spt = mm_ctx_subpage_prot(&mm->context); if (!spt) @@ -129,7 +129,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len) } err_out: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); } #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -219,7 +219,7 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, if (!access_ok(map, (len >> PAGE_SHIFT) * sizeof(u32))) return -EFAULT; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); spt = mm_ctx_subpage_prot(&mm->context); if (!spt) { @@ -269,11 +269,11 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, if (addr + (nw << PAGE_SHIFT) > next) nw = (next - addr) >> PAGE_SHIFT; - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); if (__copy_from_user(spp, map, nw * sizeof(u32))) return -EFAULT; map += nw; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); /* now flush any existing HPTEs for the range */ hpte_flush_range(mm, addr, nw); @@ -282,6 +282,6 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, spt->maxaddr = limit; err = 0; out: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return err; } diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c index beb060b96632..b83abbead4a2 100644 --- a/arch/powerpc/mm/copro_fault.c +++ b/arch/powerpc/mm/copro_fault.c @@ -33,7 +33,7 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea, if (mm->pgd == NULL) return -EFAULT; - down_read(&mm->mmap_sem); + mmap_read_lock(mm); ret = -EFAULT; vma = find_vma(mm, ea); if (!vma) @@ -82,7 +82,7 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea, current->min_flt++; out_unlock: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return ret; } EXPORT_SYMBOL_GPL(copro_handle_mm_fault); diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 39d23a557bef..ff3653e67c7b 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -108,7 +108,7 @@ static int __bad_area(struct pt_regs *regs, unsigned long address, int si_code) * Something tried to access memory that isn't in our memory map.. * Fix it, but check if it's kernel or user first.. */ - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return __bad_area_nosemaphore(regs, address, si_code); } @@ -144,7 +144,7 @@ static noinline int bad_access_pkey(struct pt_regs *regs, unsigned long address, */ pkey = vma_pkey(vma); - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* * If we are in kernel mode, bail out with a SEGV, this will @@ -551,12 +551,12 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, * source. If this is invalid we can skip the address space check, * thus avoiding the deadlock. */ - if (unlikely(!down_read_trylock(&mm->mmap_sem))) { + if (unlikely(!mmap_read_trylock(mm))) { if (!is_user && !search_exception_tables(regs->nip)) return bad_area_nosemaphore(regs, address); retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); } else { /* * The above down_read_trylock() might have succeeded in @@ -580,7 +580,7 @@ retry: if (!must_retry) return bad_area(regs, address); - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); if (fault_in_pages_readable((const char __user *)regs->nip, sizeof(unsigned int))) return bad_area_nosemaphore(regs, address); @@ -625,7 +625,7 @@ good_area: } } - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); if (unlikely(fault & VM_FAULT_ERROR)) return mm_fault_error(regs, address, fault); |