From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Subject: [PATCH 3/6] iommu/vt-d: clear the redundant assignment in dmar_enable_qi Date: Tue, 20 May 2014 20:37:49 +0800 Message-ID: <1400589472-8544-4-git-send-email-wangyijing@huawei.com> References: <1400589472-8544-1-git-send-email-wangyijing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1400589472-8544-1-git-send-email-wangyijing-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel , David Woodhouse Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: iommu@lists.linux-foundation.org __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 --- 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