[PATCH 0/4] panfrost: Locking fixes
Rob Herring
robh at kernel.org
Mon Aug 19 16:12:00 UTC 2019
With further testing of recent changes with lockdep and other locking
checks enabled, we've found several bugs in the shrinker code and one
sleep while atomic in panfrost_gem_open(). This series addresses those
issues.
Rob
Rob Herring (4):
drm/shmem: Do dma_unmap_sg before purging pages
drm/shmem: Use mutex_trylock in drm_gem_shmem_purge
drm/panfrost: Fix shrinker lockdep issues using drm_gem_shmem_purge()
drm/panfrost: Fix sleeping while atomic in panfrost_gem_open
drivers/gpu/drm/drm_gem_shmem_helper.c | 13 +++++++++++--
drivers/gpu/drm/panfrost/panfrost_gem.c | 10 ++++++----
drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c | 15 ++-------------
include/drm/drm_gem_shmem_helper.h | 2 +-
4 files changed, 20 insertions(+), 20 deletions(-)
--
2.20.1
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