[PATCH] iommu/amd: Remove create_workqueue

From	Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH] iommu/amd: Remove create_workqueue
Date	2016-06-18 10:30 +0200
Message-ID	<rLjND-1CT-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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alloc_workqueue replaces deprecated create_workqueue().

A dedicated workqueue has been used since the workitem (viz
&fault->work), is involved in IO page-fault handling.
WQ_MEM_RECLAIM has been set to guarantee forward progress under memory
pressure, which is a requirement here.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
---
 drivers/iommu/amd_iommu_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 56999d2f..0d52ceb 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -961,7 +961,7 @@ static int __init amd_iommu_v2_init(void)
 	spin_lock_init(&state_lock);

 	ret = -ENOMEM;
-	iommu_wq = create_workqueue("amd_iommu_v2");
+	iommu_wq = alloc_workqueue("amd_iommu_v2", WQ_MEM_RECLAIM, 0);
 	if (iommu_wq == NULL)
 		goto out;

--
2.1.4

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[PATCH] iommu/amd: Remove create_workqueue Bhaktipriya Shridhar <bhaktipriya96@gmail.com> - 2016-06-18 10:30 +0200
  Re: [PATCH] iommu/amd: Remove create_workqueue Tejun Heo <tj@kernel.org> - 2016-06-20 19:00 +0200
  Re: [PATCH] iommu/amd: Remove create_workqueue Joerg Roedel <joro@8bytes.org> - 2016-06-21 11:20 +0200

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