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authorChris Wilson <chris@chris-wilson.co.uk>2020-02-21 10:09:53 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2020-02-21 17:32:17 +0000
commitdeeee411a97559096523f97655ff16da34cf0573 (patch)
tree0c242d3ed548fd44a82a26cf6af81c0fd271ae55
parent46129dc10f47c5c2b51c93a82b7b2aca46574ae0 (diff)
drm/i915/gem: Break up long lists of object reclaim
Call cond_resched() between each freed object in case we have a really, really long list, and we don't want to block normal processes. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200221100953.2587176-1-chris@chris-wilson.co.uk
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_object.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 35985218bd85..5da9f9e534b9 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -225,6 +225,7 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
/* But keep the pointer alive for RCU-protected lookups */
call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
+ cond_resched();
}
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
}