Dmitry Osipenko 8021fa16b7 dma-buf: Change locking policy for mmap() ...

Change locking policy of mmap() callback, making exporters responsible
for handling dma-buf reservation locking. Previous locking policy stated
that dma-buf is locked for both importers and exporters by the dma-buf
core, which caused a deadlock problem for DRM drivers in a case of
self-imported dma-bufs which required to take the lock from the DRM
exporter side.

Acked-by: Christian König <christian.koenig@amd.com>
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/20230529223935.2672495-6-dmitry.osipenko@collabora.com

2023-06-21 20:22:20 +03:00

..

heaps

dma-buf/heaps: Don't assert held reservation lock for dma-buf mmapping

2023-06-21 20:22:20 +03:00

dma-buf-sysfs-stats.c

dma-buf: make kobj_type structure constant

2023-02-17 10:59:14 +01:00

dma-buf-sysfs-stats.h

dma-buf: fix dma_buf_export init order v2

2022-12-13 08:31:45 +01:00

dma-buf.c

dma-buf: Change locking policy for mmap()

2023-06-21 20:22:20 +03:00

dma-fence-array.c

dma-buf/fence-array: Add fence deadline support

2023-03-25 10:55:07 -07:00

dma-fence-chain.c

dma-buf/fence-chain: Add fence deadline support

2023-03-28 13:38:52 -07:00

dma-fence-unwrap.c

dma-buf: revert "return only unsignaled fences in dma_fence_unwrap_for_each v3"

2022-07-14 14:41:30 +02:00

dma-fence.c

dma-buf/dma-fence: Add deadline awareness

2023-03-25 10:55:07 -07:00

dma-heap.c

driver core: class: remove module * from class_create()

2023-03-17 15:16:33 +01:00

dma-resv.c

dma-buf/dma-resv.c: fix a typo

2023-04-17 08:24:31 +02:00

Kconfig

dma-buf: deprecate DMABUF_SYSFS_STATS

2022-06-23 10:51:43 +02:00

Makefile

dma-buf: cleanup dma_fence_unwrap implementation

2022-05-30 14:16:32 +02:00

selftest.c

dma-buf: Introduce selftesting framework

2019-08-19 18:01:34 +01:00

selftest.h

dma-buf: Introduce selftesting framework

2019-08-19 18:01:34 +01:00

selftests.h

dma-buf: add dma_fence_unwrap v2

2022-03-25 14:18:28 +01:00

st-dma-fence-chain.c

treewide: use get_random_u32_inclusive() when possible

2022-11-18 02:18:02 +01:00

st-dma-fence-unwrap.c

dma-buf: Enable signaling on fence for selftests

2022-09-16 15:53:25 +02:00

st-dma-fence.c

dma-buf: Enable signaling on fence for selftests

2022-09-16 15:53:25 +02:00

st-dma-resv.c

dma-buf: Enable signaling on fence for selftests

2022-09-16 15:53:25 +02:00

sw_sync.c

dma-buf/sw_sync: Replace all non-returning strlcpy with strscpy

2023-05-24 16:32:25 +05:30

sync_debug.c

Merge v5.2-rc5 into drm-next

2019-06-19 12:07:29 +02:00

sync_debug.h

dma-buf: Remove unused sync_dump()

2019-04-23 09:30:07 +01:00

sync_file.c

dma-buf/sync_file: use strscpy to replace strlcpy

2022-08-10 13:50:49 +02:00

sync_trace.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

udmabuf.c

udmabuf: Don't assert held reservation lock for dma-buf mmapping

2023-06-21 20:22:20 +03:00