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drm/amdgpu: add a missing lock for AMDGPU_SCHED
author
jsg
<jsg@openbsd.org>
Tue, 13 Jun 2023 02:54:09 +0000
(
02:54
+0000)
committer
jsg
<jsg@openbsd.org>
Tue, 13 Jun 2023 02:54:09 +0000
(
02:54
+0000)
From Chia-I Wu
7887397338a55a2439ba8db6d9a93cbe4094d912
in linux-6.1.y/6.1.29
2397e3d8d2e120355201a8310b61929f5a8bd2c0
in mainline linux
sys/dev/pci/drm/amd/amdgpu/amdgpu_sched.c
patch
|
blob
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diff --git
a/sys/dev/pci/drm/amd/amdgpu/amdgpu_sched.c
b/sys/dev/pci/drm/amd/amdgpu/amdgpu_sched.c
index
13b7d18
..
6f57e9c
100644
(file)
--- a/
sys/dev/pci/drm/amd/amdgpu/amdgpu_sched.c
+++ b/
sys/dev/pci/drm/amd/amdgpu/amdgpu_sched.c
@@
-41,6
+41,7
@@
static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
#ifdef notyet
struct fd f = fdget(fd);
struct amdgpu_fpriv *fpriv;
+ struct amdgpu_ctx_mgr *mgr;
struct amdgpu_ctx *ctx;
uint32_t id;
int r;
@@
-54,8
+55,11
@@
static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev,
return r;
}
- idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)
+ mgr = &fpriv->ctx_mgr;
+ mutex_lock(&mgr->lock);
+ idr_for_each_entry(&mgr->ctx_handles, ctx, id)
amdgpu_ctx_priority_override(ctx, priority);
+ mutex_unlock(&mgr->lock);
fdput(f);
return 0;