From: Yijing Wang <wangyijing@huawei.com>
To: Joerg Roedel <joro@8bytes.org>, David Woodhouse <dwmw2@infradead.org>
Cc: <iommu@lists.linux-foundation.org>,
<linux-kernel@vger.kernel.org>,
Yijing Wang <wangyijing@huawei.com>
Subject: [PATCH 3/6] iommu/vt-d: clear the redundant assignment in dmar_enable_qi
Date: Tue, 20 May 2014 20:37:49 +0800 [thread overview]
Message-ID: <1400589472-8544-4-git-send-email-wangyijing@huawei.com> (raw)
In-Reply-To: <1400589472-8544-1-git-send-email-wangyijing@huawei.com>
__dmar_enable_qi() will initialize free_head,free_tail and
free_cnt for q_inval. Remove the redundant initialization
in dmar_enable_qi().
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
drivers/iommu/dmar.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 39f8b71..1168469 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1339,9 +1339,6 @@ int dmar_enable_qi(struct intel_iommu *iommu)
return -ENOMEM;
}
- qi->free_head = qi->free_tail = 0;
- qi->free_cnt = QI_LENGTH;
-
raw_spin_lock_init(&qi->q_lock);
__dmar_enable_qi(iommu);
--
1.7.1
next prev parent reply other threads:[~2014-05-20 12:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-20 12:37 [PATCH 0/6] trivial cleanup for iommu/vt-d Yijing Wang
2014-05-20 12:37 ` [PATCH 1/6] iommu/vt-d: Use list_for_each_safe() to simplify code Yijing Wang
2014-05-20 12:37 ` [PATCH 2/6] iommu/vt-d: move up no_iommu and dmar_disabled check Yijing Wang
2014-07-04 9:06 ` Joerg Roedel
2014-07-04 9:28 ` Yijing Wang
2014-05-20 12:37 ` Yijing Wang [this message]
2014-05-20 12:37 ` [PATCH 4/6] iommu/vt-d: clear the redundant assignment for domain->nid Yijing Wang
2014-05-20 12:37 ` [PATCH 5/6] iommu/vt-d: use inline function dma_pte_superpage instead of macros Yijing Wang
2014-05-20 12:37 ` [PATCH 6/6] iommu/vt-d: fix reference count in iommu_prepare_isa Yijing Wang
2014-06-18 0:56 ` [PATCH 0/6] trivial cleanup for iommu/vt-d Yijing Wang
2014-07-04 9:22 ` Joerg Roedel
2014-07-04 9:29 ` Yijing Wang
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