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Merge branch 'akpm' (patches from Andrew)

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Merge yet more updates from Andrew Morton:

 - Oleg's "wait/ptrace: assume __WALL if the child is traced".  It's a
   kernel-based workaround for existing userspace issues.

 - A few hotfixes

 - befs cleanups

 - nilfs2 updates

 - sys_wait() changes

 - kexec updates

 - kdump

 - scripts/gdb updates

 - the last of the MM queue

 - a few other misc things

* emailed patches from Andrew Morton <[email protected]>: (84 commits)
  kgdb: depends on VT
  drm/amdgpu: make amdgpu_mn_get wait for mmap_sem killable
  drm/radeon: make radeon_mn_get wait for mmap_sem killable
  drm/i915: make i915_gem_mmap_ioctl wait for mmap_sem killable
  uprobes: wait for mmap_sem for write killable
  prctl: make PR_SET_THP_DISABLE wait for mmap_sem killable
  exec: make exec path waiting for mmap_sem killable
  aio: make aio_setup_ring killable
  coredump: make coredump_wait wait for mmap_sem for write killable
  vdso: make arch_setup_additional_pages wait for mmap_sem for write killable
  ipc, shm: make shmem attach/detach wait for mmap_sem killable
  mm, fork: make dup_mmap wait for mmap_sem for write killable
  mm, proc: make clear_refs killable
  mm: make vm_brk killable
  mm, elf: handle vm_brk error
  mm, aout: handle vm_brk failures
  mm: make vm_munmap killable
  mm: make vm_mmap killable
  mm: make mmap_sem for write waits killable for mm syscalls
  MAINTAINERS: add co-maintainer for scripts/gdb
  ...
This commit is contained in:
Linus Torvalds 2016-05-23 19:42:28 -07:00
commit 84787c572d
129 changed files with 1355 additions and 786 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
View file

@ -232,7 +232,10 @@ static struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev)
int r;
mutex_lock(&adev->mn_lock);
down_write(&mm->mmap_sem);
if (down_write_killable(&mm->mmap_sem)) {
mutex_unlock(&adev->mn_lock);
return ERR_PTR(-EINTR);
}
hash_for_each_possible(adev->mn_hash, rmn, node, (unsigned long)mm)
if (rmn->mm == mm)

5
drivers/gpu/drm/i915/i915_gem.c
View file

@ -1721,7 +1721,10 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
down_write(&mm->mmap_sem);
if (down_write_killable(&mm->mmap_sem)) {
drm_gem_object_unreference_unlocked(obj);
return -EINTR;
}
vma = find_vma(mm, addr);
if (vma)
vma->vm_page_prot =

4
drivers/gpu/drm/radeon/radeon_mn.c
View file

@ -186,7 +186,9 @@ static struct radeon_mn *radeon_mn_get(struct radeon_device *rdev)
struct radeon_mn *rmn;
int r;
down_write(&mm->mmap_sem);
if (down_write_killable(&mm->mmap_sem))
return ERR_PTR(-EINTR);
mutex_lock(&rdev->mn_lock);
hash_for_each_possible(rdev->mn_hash, rmn, node, (unsigned long)mm)