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drm/xe: Take job list lock in xe_sched_first_pending_job

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Access to the pending_list should always happens under job_list_lock.

Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241105160327.2970277-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
This commit is contained in:
Nirmoy Das
2024-11-05 17:03:27 +01:00
parent f7278da76d
commit cd8e995655
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/xe/xe_gpu_scheduler.h
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@@ -71,8 +71,14 @@ static inline void xe_sched_add_pending_job(struct xe_gpu_scheduler *sched,
static inline
struct xe_sched_job *xe_sched_first_pending_job(struct xe_gpu_scheduler *sched)
{
return list_first_entry_or_null(&sched->base.pending_list,
struct xe_sched_job, drm.list);
struct xe_sched_job *job;
spin_lock(&sched->base.job_list_lock);
job = list_first_entry_or_null(&sched->base.pending_list,
struct xe_sched_job, drm.list);
spin_unlock(&sched->base.job_list_lock);
return job;
}
static inline int