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drm/xe: Use guard(spinlock_irqsave) in pagefault handler

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It is safer and easier to use guard() instead of explicit lock
unlock calls.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260811200906.10400-2-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-08-11 22:09:04 +02:00
parent 360b293de2
commit bcd8734f2a
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/xe/xe_pagefault.c
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@ -864,10 +864,9 @@ static int xe_pagefault_work_index(struct xe_device *xe)
int xe_pagefault_handler(struct xe_device *xe, struct xe_pagefault *pf)
{
struct xe_pagefault_queue *pf_queue = &xe->usm.pf_queue;
unsigned long flags;
bool full;
spin_lock_irqsave(&pf_queue->lock, flags);
guard(spinlock_irqsave)(&pf_queue->lock);
full = xe_pagefault_queue_full(pf_queue);
if (!full) {
struct xe_pagefault *lpf;
@ -898,7 +897,6 @@ int xe_pagefault_handler(struct xe_device *xe, struct xe_pagefault *pf)
drm_warn(&xe->drm,
"PageFault Queue full, shouldn't be possible\n");
}
spin_unlock_irqrestore(&pf_queue->lock, flags);
return full ? -ENOSPC : 0;
}