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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-26 19:33:41 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-26 19:33:41 -0700 |
commit | 345671ea0f9258f410eb057b9ced9cefbbe5dc78 (patch) | |
tree | fe97ba3d27679789e6aa34e39b002ee64ce25412 /arch/x86/entry/vdso/vma.c | |
parent | 4904008165c8a1c48602b8316139691b8c735e6e (diff) | |
parent | 22146c3ce98962436e401f7b7016a6f664c9ffb5 (diff) | |
download | talos-obmc-linux-345671ea0f9258f410eb057b9ced9cefbbe5dc78.tar.gz talos-obmc-linux-345671ea0f9258f410eb057b9ced9cefbbe5dc78.zip |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (132 commits)
hugetlbfs: dirty pages as they are added to pagecache
mm: export add_swap_extent()
mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS
tools/testing/selftests/vm/map_fixed_noreplace.c: add test for MAP_FIXED_NOREPLACE
mm: thp: relocate flush_cache_range() in migrate_misplaced_transhuge_page()
mm: thp: fix mmu_notifier in migrate_misplaced_transhuge_page()
mm: thp: fix MADV_DONTNEED vs migrate_misplaced_transhuge_page race condition
mm/kasan/quarantine.c: make quarantine_lock a raw_spinlock_t
mm/gup: cache dev_pagemap while pinning pages
Revert "x86/e820: put !E820_TYPE_RAM regions into memblock.reserved"
mm: return zero_resv_unavail optimization
mm: zero remaining unavailable struct pages
tools/testing/selftests/vm/gup_benchmark.c: add MAP_HUGETLB option
tools/testing/selftests/vm/gup_benchmark.c: add MAP_SHARED option
tools/testing/selftests/vm/gup_benchmark.c: allow user specified file
tools/testing/selftests/vm/gup_benchmark.c: fix 'write' flag usage
mm/gup_benchmark.c: add additional pinning methods
mm/gup_benchmark.c: time put_page()
mm: don't raise MEMCG_OOM event due to failed high-order allocation
mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock
...
Diffstat (limited to 'arch/x86/entry/vdso/vma.c')
-rw-r--r-- | arch/x86/entry/vdso/vma.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 3f9d43f26f63..7eb878561910 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -39,7 +39,7 @@ void __init init_vdso_image(const struct vdso_image *image) struct linux_binprm; -static int vdso_fault(const struct vm_special_mapping *sm, +static vm_fault_t vdso_fault(const struct vm_special_mapping *sm, struct vm_area_struct *vma, struct vm_fault *vmf) { const struct vdso_image *image = vma->vm_mm->context.vdso_image; @@ -84,12 +84,11 @@ static int vdso_mremap(const struct vm_special_mapping *sm, return 0; } -static int vvar_fault(const struct vm_special_mapping *sm, +static vm_fault_t vvar_fault(const struct vm_special_mapping *sm, struct vm_area_struct *vma, struct vm_fault *vmf) { const struct vdso_image *image = vma->vm_mm->context.vdso_image; long sym_offset; - int ret = -EFAULT; if (!image) return VM_FAULT_SIGBUS; @@ -108,29 +107,24 @@ static int vvar_fault(const struct vm_special_mapping *sm, return VM_FAULT_SIGBUS; if (sym_offset == image->sym_vvar_page) { - ret = vm_insert_pfn(vma, vmf->address, - __pa_symbol(&__vvar_page) >> PAGE_SHIFT); + return vmf_insert_pfn(vma, vmf->address, + __pa_symbol(&__vvar_page) >> PAGE_SHIFT); } else if (sym_offset == image->sym_pvclock_page) { struct pvclock_vsyscall_time_info *pvti = pvclock_get_pvti_cpu0_va(); if (pvti && vclock_was_used(VCLOCK_PVCLOCK)) { - ret = vm_insert_pfn_prot( - vma, - vmf->address, - __pa(pvti) >> PAGE_SHIFT, - pgprot_decrypted(vma->vm_page_prot)); + return vmf_insert_pfn_prot(vma, vmf->address, + __pa(pvti) >> PAGE_SHIFT, + pgprot_decrypted(vma->vm_page_prot)); } } else if (sym_offset == image->sym_hvclock_page) { struct ms_hyperv_tsc_page *tsc_pg = hv_get_tsc_page(); if (tsc_pg && vclock_was_used(VCLOCK_HVCLOCK)) - ret = vm_insert_pfn(vma, vmf->address, - vmalloc_to_pfn(tsc_pg)); + return vmf_insert_pfn(vma, vmf->address, + vmalloc_to_pfn(tsc_pg)); } - if (ret == 0 || ret == -EBUSY) - return VM_FAULT_NOPAGE; - return VM_FAULT_SIGBUS; } |