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@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 64ec167e8921..338f80cd1bfe 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5444,8 +5444,11 @@ 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;
--
2.0.1
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