From ddfc925851b4f0ae36b21a5b545e4002c4259c42 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 5 Jul 2017 15:26:32 +0100 Subject: [PATCH] drm/i915: Move stale context reaping to common i915_gem_context_create We need to reap the stale contexts for all new contexts, be they created by user in i915_gem_context_ioctl or from opening a new file in i915_gem_context_open. Both paths may be called very frequently accumulating many stale contexts before any worker has a chance to run and free their memory. Fixes: 1acfc104cdf8 ("drm/i915: Enable rcu-only context lookups") Signed-off-by: Chris Wilson Cc: Joonas Lahtinen Cc: Tvrtko Ursulin Reviewed-by: Tvrtko Ursulin Link: http://patchwork.freedesktop.org/patch/msgid/20170705142634.18554-2-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_gem_context.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 98d2ce9..c58a95c 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -383,6 +383,10 @@ i915_gem_create_context(struct drm_i915_private *dev_priv, lockdep_assert_held(&dev_priv->drm.struct_mutex); + /* Reap stale contexts */ + i915_gem_retire_requests(dev_priv); + contexts_free(dev_priv); + ctx = __create_hw_context(dev_priv, file_priv); if (IS_ERR(ctx)) return ctx; @@ -989,10 +993,6 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, if (ret) return ret; - /* Reap stale contexts */ - i915_gem_retire_requests(dev_priv); - contexts_free(dev_priv); - ctx = i915_gem_create_context(dev_priv, file_priv); mutex_unlock(&dev->struct_mutex); if (IS_ERR(ctx)) -- 2.7.4