diff options
author | Ingo Molnar <[email protected]> | 2017-08-26 09:19:13 +0200 |
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committer | Ingo Molnar <[email protected]> | 2017-08-26 09:19:13 +0200 |
commit | 413d63d71b222108d19703f3fd5cf9108652a730 (patch) | |
tree | 4680de6aebb6430dc5f3d9327f86d65149e6b5ae /drivers/gpu/drm/i915/i915_gem_shrinker.c | |
parent | d6c8103b0265d8db30e20e948a4f06382bbdaea7 (diff) | |
parent | 90a6cd503982bfd33ce8c70eb49bd2dd33bc6325 (diff) |
Merge branch 'linus' into x86/mm to pick up fixes and to fix conflicts
Conflicts:
arch/x86/kernel/head64.c
arch/x86/mm/mmap.c
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_shrinker.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_shrinker.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 1032f98add11..77fb39808131 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -43,16 +43,21 @@ static bool shrinker_lock(struct drm_i915_private *dev_priv, bool *unlock) return true; case MUTEX_TRYLOCK_FAILED: + *unlock = false; + preempt_disable(); do { cpu_relax(); if (mutex_trylock(&dev_priv->drm.struct_mutex)) { - case MUTEX_TRYLOCK_SUCCESS: *unlock = true; - return true; + break; } } while (!need_resched()); + preempt_enable(); + return *unlock; - return false; + case MUTEX_TRYLOCK_SUCCESS: + *unlock = true; + return true; } BUG(); |