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dma-buf: rename and cleanup dma_resv_get_excl v3

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When the comment needs to state explicitly that this
doesn't get a reference to the object then the function
is named rather badly.

Rename the function and use rcu_dereference_check(), this
way it can be used from both rcu as well as lock protected
critical sections.

v2: improve kerneldoc as suggested by Daniel
v3: use dma_resv_excl_fence as function name

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210602111714.212426-4-christian.koenig@amd.com
This commit is contained in:
Christian König
2021-05-10 16:14:09 +02:00
parent 415f6767d8
commit 6edbd6abb7
15 changed files with 26 additions and 30 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
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@@ -210,7 +210,7 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
return -EINVAL;
/* always sync to the exclusive fence */
f = dma_resv_get_excl(resv);
f = dma_resv_excl_fence(resv);
r = amdgpu_sync_fence(sync, f);
flist = dma_resv_get_list(resv);