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42850c9aad
Don't assert held dma-buf reservation lock on memory mapping of exported buffer. We're going to change dma-buf mmap() locking policy such that exporters will have to handle the lock. The previous locking policy caused deadlock problem for DRM drivers in a case of self-imported dma-bufs once these drivers are moved to use reservation lock universally. The problem is solved by moving the lock down to exporters. This patch prepares udmabuf for the locking policy update. Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230529223935.2672495-4-dmitry.osipenko@collabora.com |
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.. | ||
heaps | ||
dma-buf-sysfs-stats.c | ||
dma-buf-sysfs-stats.h | ||
dma-buf.c | ||
dma-fence-array.c | ||
dma-fence-chain.c | ||
dma-fence-unwrap.c | ||
dma-fence.c | ||
dma-heap.c | ||
dma-resv.c | ||
Kconfig | ||
Makefile | ||
selftest.c | ||
selftest.h | ||
selftests.h | ||
st-dma-fence-chain.c | ||
st-dma-fence-unwrap.c | ||
st-dma-fence.c | ||
st-dma-resv.c | ||
sw_sync.c | ||
sync_debug.c | ||
sync_debug.h | ||
sync_file.c | ||
sync_trace.h | ||
udmabuf.c |