34 lines
1.4 KiB
Diff
34 lines
1.4 KiB
Diff
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Tue, 14 Jul 2015 14:26:34 +0200
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Subject: gpu: don't check for the lock owner.
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.8/older/patches-4.8.14-rt9.tar.xz
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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drivers/gpu/drm/i915/i915_gem_shrinker.c | 2 +-
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drivers/gpu/drm/msm/msm_gem_shrinker.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
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+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
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@@ -40,7 +40,7 @@ static bool mutex_is_locked_by(struct mu
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if (!mutex_is_locked(mutex))
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return false;
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-#if defined(CONFIG_DEBUG_MUTEXES) || defined(CONFIG_MUTEX_SPIN_ON_OWNER)
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+#if (defined(CONFIG_DEBUG_MUTEXES) || defined(CONFIG_MUTEX_SPIN_ON_OWNER)) && !defined(CONFIG_PREEMPT_RT_BASE)
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return mutex->owner == task;
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#else
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/* Since UP may be pre-empted, we cannot assume that we own the lock */
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--- a/drivers/gpu/drm/msm/msm_gem_shrinker.c
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+++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c
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@@ -23,7 +23,7 @@ static bool mutex_is_locked_by(struct mu
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if (!mutex_is_locked(mutex))
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return false;
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-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES)
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+#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES)) && !defined(CONFIG_PREEMPT_RT_BASE)
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return mutex->owner == task;
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#else
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/* Since UP may be pre-empted, we cannot assume that we own the lock */
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