linux-kernel - [PATCH] i915: use alloc_ordered_workqueue() instead of explicit UNBOUND w/ max

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Date:	Wed, 22 Aug 2012 16:40:57 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Daniel Vetter <daniel.vetter@...ll.ch>
Cc:	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] i915: use alloc_ordered_workqueue() instead of explicit
 UNBOUND w/ max_active = 1

This is an equivalent conversion and will ease scheduled removal of
WQ_NON_REENTRANT.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 drivers/gpu/drm/i915/i915_dma.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9cf7dfe..a55ca7a 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1536,11 +1536,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	 *
 	 * All tasks on the workqueue are expected to acquire the dev mutex
 	 * so there is no point in running more than one instance of the
-	 * workqueue at any time: max_active = 1 and NON_REENTRANT.
+	 * workqueue at any time.  Use an ordered one.
 	 */
-	dev_priv->wq = alloc_workqueue("i915",
-				       WQ_UNBOUND | WQ_NON_REENTRANT,
-				       1);
+	dev_priv->wq = alloc_ordered_workqueue("i915", 0);
 	if (dev_priv->wq == NULL) {
 		DRM_ERROR("Failed to create our workqueue.\n");
 		ret = -ENOMEM;
--
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