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Code Issues Releases Wiki Activity

drm/amdgpu: stop leaking the ctx id into the scheduler v2

Browse source 
Id's are for the IOCTL ABI only.

v2: remove tgid as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König 2015-08-04 16:58:36 +02:00 committed by Alex Deucher
parent efd4ccb59a
commit 0e89d0c16b
3 changed files with 7 additions and 20 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
View file

@ -50,8 +50,7 @@ static void amdgpu_ctx_do_release(struct kref *ref)
static void amdgpu_ctx_init(struct amdgpu_device *adev,
struct amdgpu_fpriv *fpriv,
struct amdgpu_ctx *ctx,
uint32_t id)
struct amdgpu_ctx *ctx)
{
int i;
memset(ctx, 0, sizeof(*ctx));
@ -81,7 +80,7 @@ int amdgpu_ctx_alloc(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
return r;
}
*id = (uint32_t)r;
amdgpu_ctx_init(adev, fpriv, ctx, *id);
amdgpu_ctx_init(adev, fpriv, ctx);
mutex_unlock(&mgr->lock);
} else {
if (adev->kernel_ctx) {
@ -89,8 +88,7 @@ int amdgpu_ctx_alloc(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
kfree(ctx);
return 0;
}
*id = AMD_KERNEL_CONTEXT_ID;
amdgpu_ctx_init(adev, fpriv, ctx, *id);
amdgpu_ctx_init(adev, fpriv, ctx);
adev->kernel_ctx = ctx;
}
@ -105,8 +103,7 @@ int amdgpu_ctx_alloc(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
rq = &adev->rings[i]->scheduler->kernel_rq;
r = amd_context_entity_init(adev->rings[i]->scheduler,
&ctx->rings[i].c_entity,
NULL, rq, *id,
amdgpu_sched_jobs);
NULL, rq, amdgpu_sched_jobs);
if (r)
break;
}

10
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View file

@ -172,7 +172,7 @@ static struct amd_context_entity *select_context(
* @entity The pointer to a valid amd_context_entity
* @parent The parent entity of this amd_context_entity
* @rq The run queue this entity belongs
* @context_id The context id for this entity
* @kernel If this is an entity for the kernel
* @jobs The max number of jobs in the job queue
*
* return 0 if succeed. negative error code on failure
@ -181,7 +181,6 @@ int amd_context_entity_init(struct amd_gpu_scheduler *sched,
struct amd_context_entity *entity,
struct amd_sched_entity *parent,
struct amd_run_queue *rq,
uint32_t context_id,
uint32_t jobs)
{
uint64_t seq_ring = 0;
@ -203,9 +202,6 @@ int amd_context_entity_init(struct amd_gpu_scheduler *sched,
return -EINVAL;
spin_lock_init(&entity->queue_lock);
entity->tgid = (context_id == AMD_KERNEL_CONTEXT_ID) ?
AMD_KERNEL_PROCESS_ID : current->tgid;
entity->context_id = context_id;
atomic64_set(&entity->last_emitted_v_seq, seq_ring);
atomic64_set(&entity->last_queued_v_seq, seq_ring);
@ -275,9 +271,9 @@ int amd_context_entity_fini(struct amd_gpu_scheduler *sched,
if (r) {
if (entity->is_pending)
DRM_INFO("Entity %u is in waiting state during fini,\
DRM_INFO("Entity %p is in waiting state during fini,\
all pending ibs will be canceled.\n",
entity->context_id);
entity);
}
mutex_lock(&rq->lock);

6
drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
View file

@ -26,9 +26,6 @@
#include <linux/kfifo.h>
#define AMD_KERNEL_CONTEXT_ID 0
#define AMD_KERNEL_PROCESS_ID 0
#define AMD_GPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
struct amd_gpu_scheduler;
@ -74,8 +71,6 @@ struct amd_context_entity {
/* the virtual_seq is unique per context per ring */
atomic64_t last_queued_v_seq;
atomic64_t last_emitted_v_seq;
pid_t tgid;
uint32_t context_id;
/* the job_queue maintains the jobs submitted by clients */
struct kfifo job_queue;
spinlock_t queue_lock;
@ -148,7 +143,6 @@ int amd_context_entity_init(struct amd_gpu_scheduler *sched,
struct amd_context_entity *entity,
struct amd_sched_entity *parent,
struct amd_run_queue *rq,
uint32_t context_id,
uint32_t jobs);
void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq);