linux-kernel - [PATCH 4/5] i915: schedule while freeing the lists of gem objects

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Date:   Fri,  7 Apr 2017 01:23:46 +0200
From:   Andrea Arcangeli <aarcange@...hat.com>
To:     Martin Kepplinger <martink@...teo.de>,
        Thorsten Leemhuis <regressions@...mhuis.info>,
        daniel.vetter@...el.com, Dave Airlie <airlied@...il.com>,
        Chris Wilson <chris@...is-wilson.co.uk>
Cc:     intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 4/5] i915: schedule while freeing the lists of gem objects

Add cond_resched().

Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 612fde3..c81baeb 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4205,6 +4205,8 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
 		GEM_BUG_ON(!RB_EMPTY_ROOT(&obj->vma_tree));
 
 		list_del(&obj->global_link);
+
+		cond_resched();
 	}
 	intel_runtime_pm_put(i915);
 	mutex_unlock(&i915->drm.struct_mutex);
@@ -4230,6 +4232,8 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
 
 		kfree(obj->bit_17);
 		i915_gem_object_free(obj);
+
+		cond_resched();
 	}
 }