diff options
author | Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-06-13 16:52:54 -0600 |
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committer | Rob Clark <robdclark@gmail.com> | 2017-06-17 08:03:07 -0400 |
commit | 0e08270a1f01bceae17d32a0d75aad2388bd1ba2 (patch) | |
tree | 31f17b04f1a459ca5ab26772626c8ece4c54158a /arch/um/kernel | |
parent | 816fa34c051492c7f115ad2fd91c9e723d7fc298 (diff) |
drm/msm: Separate locking of buffer resources from struct_mutex
Buffer object specific resources like pages, domains, sg list
need not be protected with struct_mutex. They can be protected
with a buffer object level lock. This simplifies locking and
makes it easier to avoid potential recursive locking scenarios
for SVM involving mmap_sem and struct_mutex. This also removes
unnecessary serialization when creating buffer objects, and also
between buffer object creation and GPU command submission.
Signed-off-by: Sushmita Susheelendra <ssusheel@codeaurora.org>
[robclark: squash in handling new locking for shrinker]
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'arch/um/kernel')
0 files changed, 0 insertions, 0 deletions