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Subject[PATCH v4 12/14] i915: Move call_rcu() to call_rcu_lazy()
Date
This is required to prevent callbacks triggering RCU machinery too
quickly and too often, which adds more power to the system.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
drivers/gpu/drm/i915/gem/i915_gem_object.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 06b1b188ce5a..74f4b6e707c2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -343,7 +343,7 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
__i915_gem_free_object(obj);

/* But keep the pointer alive for RCU-protected lookups */
- call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
+ call_rcu_lazy(&obj->rcu, __i915_gem_free_object_rcu);
cond_resched();
}
}
--
2.37.2.609.g9ff673ca1a-goog
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