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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-07-11 11:28:00 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-23 07:05:28 +0200 |
| commit | a1db2fa7c8325a380792d66908b2f982cf047837 (patch) | |
| tree | 4f8c8025d34309373d84fc4175d535acc5c0f445 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | ed57cb8a5c697680cdac3bc7ddfafff7594bd98e (diff) | |
| download | lwn-a1db2fa7c8325a380792d66908b2f982cf047837.tar.gz lwn-a1db2fa7c8325a380792d66908b2f982cf047837.zip | |
drm/i915: Abandon oom quickly if killed by a signal
Whilst waiting to obtain our locks for the last resort shrinking before
an oom, we check whether or not a fatal signal was pending. If there was,
we do not need to keep waiting as the oom will be aborted.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index e5d4d73a9844..ef047bce008d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -5194,8 +5194,11 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr) bool was_interruptible; bool unlock; - while (!i915_gem_shrinker_lock(dev, &unlock) && --timeout) + while (!i915_gem_shrinker_lock(dev, &unlock) && --timeout) { schedule_timeout_killable(1); + if (fatal_signal_pending(current)) + return NOTIFY_DONE; + } if (timeout == 0) { pr_err("Unable to purge GPU memory due lock contention.\n"); return NOTIFY_DONE; |