Got compiling error if disabling MUTEX_SPIN_ON_OWNER and DEBUG_MUTEXES:
drivers/gpu/drm/i915/i915_gem_shrinker.c:44:14: error: 'struct mutex' has
no member named 'owner'.
Signed-off-by: Hong Liu <hong....@intel.com>
---
drivers/gpu/drm/i915/i915_gem_shrinker.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c
b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 067632a..0066b9c 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -40,7 +40,7 @@ static bool mutex_is_locked_by(struct mutex *mutex, struct
task_struct *task)
if (!mutex_is_locked(mutex))
return false;
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_MUTEXES)
+#if defined(CONFIG_SMP) && defined(CONFIG_DEBUG_MUTEXES)
return mutex->owner == task;
#else
/* Since UP may be pre-empted, we cannot assume that we own the lock */
--
2.7.4
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