From: "Christian König" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH 1/3] drm/amdgpu: remove non-sense NULL ptr check
Date: Fri, 8 Mar 2019 15:31:45 +0100 [thread overview]
Message-ID: <20190308143147.23341-1-christian.koenig@amd.com> (raw)
It's a bug having a dead pointer in the IDR, silently returning
is the worst we can do.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 736ed1d67ec2..b7289f709644 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -570,12 +570,6 @@ void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr)
mutex_lock(&mgr->lock);
idr_for_each_entry(idp, ctx, id) {
-
- if (!ctx->adev) {
- mutex_unlock(&mgr->lock);
- return;
- }
-
for (i = 0; i < num_entities; i++) {
struct drm_sched_entity *entity;
@@ -596,10 +590,6 @@ void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr)
idp = &mgr->ctx_handles;
idr_for_each_entry(idp, ctx, id) {
-
- if (!ctx->adev)
- return;
-
if (kref_read(&ctx->refcount) != 1) {
DRM_ERROR("ctx %p is still alive\n", ctx);
continue;
--
2.17.1
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next reply other threads:[~2019-03-08 14:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-08 14:31 Christian König [this message]
[not found] ` <20190308143147.23341-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>
2019-03-08 14:31 ` [PATCH 2/3] drm/amdgpu: wait for VM to become idle during flush Christian König
2019-03-08 14:31 ` [PATCH 3/3] drm/amdgpu: stop evicting busy PDs/PTs Christian König
[not found] ` <20190308143147.23341-3-christian.koenig-5C7GfCeVMHo@public.gmane.org>
2019-03-08 20:46 ` Zeng, Oak
[not found] ` <SN1PR12MB2591DF43E612DA4561EE1271804D0-z7L1TMIYDg4kcGSeFLWKcQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2019-03-11 16:56 ` Christian König
2019-03-12 12:33 ` [PATCH 1/3] drm/amdgpu: remove non-sense NULL ptr check Christian König
2019-03-12 13:27 ` Chunming Zhou
-- strict thread matches above, loose matches on Subject: below --
2019-02-26 13:05 Christian König
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