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* [Intel-gfx] [PATCH 1/4] drm/i915/gt: add sparse lock annotation to avoid warnings
@ 2023-02-07 12:40 Jani Nikula
  2023-02-07 12:40 ` [Intel-gfx] [PATCH 2/4] drm/i915/uncore: cast iomem to avoid sparse warning Jani Nikula
                   ` (8 more replies)
  0 siblings, 9 replies; 12+ messages in thread
From: Jani Nikula @ 2023-02-07 12:40 UTC (permalink / raw)
  To: intel-gfx; +Cc: jani.nikula

Annotate intel_gt_mcr_lock() and intel_gt_mcr_unlock() to fix sparse
warnings:

drivers/gpu/drm/i915/gt/intel_gt_mcr.c:397:9: warning: context imbalance in 'intel_gt_mcr_lock' - wrong count at exit
drivers/gpu/drm/i915/gt/intel_gt_mcr.c:412:6: warning: context imbalance in 'intel_gt_mcr_unlock' - unexpected unlock

Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt_mcr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
index 169393a7ad88..a4a8b8bc5737 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
@@ -364,6 +364,7 @@ static u32 rw_with_mcr_steering(struct intel_gt *gt,
  *          function call.
  */
 void intel_gt_mcr_lock(struct intel_gt *gt, unsigned long *flags)
+	__acquires(&gt->mcr_lock)
 {
 	unsigned long __flags;
 	int err = 0;
@@ -410,6 +411,7 @@ void intel_gt_mcr_lock(struct intel_gt *gt, unsigned long *flags)
  * Context: Releases gt->mcr_lock
  */
 void intel_gt_mcr_unlock(struct intel_gt *gt, unsigned long flags)
+	__releases(&gt->mcr_lock)
 {
 	spin_unlock_irqrestore(&gt->mcr_lock, flags);
 
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2023-02-07 19:06 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-02-07 12:40 [Intel-gfx] [PATCH 1/4] drm/i915/gt: add sparse lock annotation to avoid warnings Jani Nikula
2023-02-07 12:40 ` [Intel-gfx] [PATCH 2/4] drm/i915/uncore: cast iomem to avoid sparse warning Jani Nikula
2023-02-07 19:05   ` Matt Roper
2023-02-07 12:40 ` [Intel-gfx] [PATCH 3/4] drm/i915/syncmap: squelch a " Jani Nikula
2023-02-07 12:40 ` [Intel-gfx] [PATCH 4/4] drm/i915/pxp: fix __le64 access to get rid of " Jani Nikula
2023-02-07 12:44   ` Winkler, Tomas
2023-02-07 13:21 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [1/4] drm/i915/gt: add sparse lock annotation to avoid warnings Patchwork
2023-02-07 13:53 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2023-02-07 15:20 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/4] drm/i915/gt: add sparse lock annotation to avoid warnings (rev2) Patchwork
2023-02-07 15:34 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-02-07 18:13 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2023-02-07 19:03 ` [Intel-gfx] [PATCH 1/4] drm/i915/gt: add sparse lock annotation to avoid warnings Matt Roper

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