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linux/drivers/dma-buf
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Chris Wilson 5de376bb43 dma-buf: Report signaled links inside dma-fence-chain 
Whenever we walk along the dma-fence-chain, we prune signaled links to
keep the chain nice and tidy. This leads to situations where we can
prune a link and report the earlier fence as the target seqno --
violating our own consistency checks that the seqno is not more advanced
than the last element in a dma-fence-chain.

Report a NULL fence and success if the seqno has already been signaled.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Reviewed-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200409110101.18400-2-chris@chris-wilson.co.uk
2020-04-09 19:52:03 +01:00
..
heaps
dma-buf: heaps: Remove redundant heap identifier from system heap name
2019-12-17 21:37:40 +05:30
dma-buf.c
dma-buf: add peer2peer flag
2020-04-01 09:02:45 +02:00
dma-fence-array.c
dma-fence: Propagate errors to dma-fence-array container
2019-08-12 08:25:52 +01:00
dma-fence-chain.c
dma-buf: Report signaled links inside dma-fence-chain
2020-04-09 19:52:03 +01:00
dma-fence.c
dma-fence: Serialise signal enabling (dma_fence_enable_sw_signaling)
2019-10-04 11:43:45 +01:00
dma-heap.c
dma-heap: Make the symbol 'dma_heap_ioctl_cmds' static
2019-12-18 00:41:29 +05:30
dma-resv.c
dma-resv: Also prime acquire ctx for lockdep
2019-11-21 11:03:31 +01:00
Kconfig
dma-buf: add dynamic DMA-buf handling v15
2020-02-27 14:58:00 +01:00
Makefile
dma-buf: heaps: Add heap helpers
2019-12-11 11:13:35 +05:30
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 selftests for dma-fence
2019-08-19 18:09:46 +01:00
seqno-fence.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
st-dma-fence.c
dmabuf: Mark up onstack timer for selftests
2019-08-20 13:49:15 +01:00
sw_sync.c
compat_ioctl: move more drivers to compat_ptr_ioctl
2019-10-23 17:23:44 +02:00
sync_debug.c
Linux 5.2-rc5
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
- A fix for a memory leak in the dma-buf support
2019-12-09 17:13:19 +10:00
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: fix dma-buf cpu access
2019-12-18 09:11:38 +01:00