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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-23 19:42:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-23 19:42:28 -0700 |
| commit | 84787c572d402644dca4874aba73324d9f8e3948 (patch) | |
| tree | 31783e50b09fee00ee7ff87c0c9708a3c7106482 /drivers/gpu | |
| parent | d62a0234c87f1457a3d2ba519ef90cf164a5eb23 (diff) | |
| parent | c5d2cac0f1caaf7dd21350146fb29c55b3e74249 (diff) | |
| download | blackbird-op-linux-84787c572d402644dca4874aba73324d9f8e3948.tar.gz blackbird-op-linux-84787c572d402644dca4874aba73324d9f8e3948.zip | |
Merge branch 'akpm' (patches from Andrew)
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 <akpm@linux-foundation.org>: (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
...
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mn.c | 4 |
3 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c index 9f4a45cd2aab..32fa7b7913f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c @@ -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) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 94bbc4314ac5..9b99490e8367 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -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 = diff --git a/drivers/gpu/drm/radeon/radeon_mn.c b/drivers/gpu/drm/radeon/radeon_mn.c index eef006c48584..896f2cf51e4e 100644 --- a/drivers/gpu/drm/radeon/radeon_mn.c +++ b/drivers/gpu/drm/radeon/radeon_mn.c @@ -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) |
