From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 4/5] iommu/amd: Remove IOMMUv2 pasid_state_list Date: Tue, 20 May 2014 23:18:25 +0200 Message-ID: <1400620706-21031-5-git-send-email-joro@8bytes.org> References: <1400620706-21031-1-git-send-email-joro@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1400620706-21031-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@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: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: Jay.Cornwall-5C7GfCeVMHo@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Joerg Roedel List-Id: iommu@lists.linux-foundation.org From: Joerg Roedel This list was only used for the task_exit notifier function. Now that it is gone we can remove it. Signed-off-by: Joerg Roedel Tested-by: Jay Cornwall --- drivers/iommu/amd_iommu_v2.c | 26 -------------------------- 1 file changed, 26 deletions(-) diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index c06a29a..d9309a0 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -86,10 +86,6 @@ struct fault { static LIST_HEAD(state_list); static spinlock_t state_lock; -/* List and lock for all pasid_states */ -static LIST_HEAD(pasid_state_list); -static DEFINE_SPINLOCK(ps_lock); - static struct workqueue_struct *iommu_wq; /* @@ -171,25 +167,6 @@ static void put_device_state_wait(struct device_state *dev_state) free_device_state(dev_state); } -static void link_pasid_state(struct pasid_state *pasid_state) -{ - spin_lock(&ps_lock); - list_add_tail(&pasid_state->list, &pasid_state_list); - spin_unlock(&ps_lock); -} - -static void __unlink_pasid_state(struct pasid_state *pasid_state) -{ - list_del(&pasid_state->list); -} - -static void unlink_pasid_state(struct pasid_state *pasid_state) -{ - spin_lock(&ps_lock); - __unlink_pasid_state(pasid_state); - spin_unlock(&ps_lock); -} - /* Must be called under dev_state->lock */ static struct pasid_state **__get_pasid_state_ptr(struct device_state *dev_state, int pasid, bool alloc) @@ -346,7 +323,6 @@ static void unbind_pasid(struct device_state *dev_state, int pasid) if (pasid_state == NULL) return; - unlink_pasid_state(pasid_state); __unbind_pasid(pasid_state); put_pasid_state_wait(pasid_state); /* Reference taken in this function */ } @@ -687,8 +663,6 @@ int amd_iommu_bind_pasid(struct pci_dev *pdev, int pasid, if (ret) goto out_clear_state; - link_pasid_state(pasid_state); - return 0; out_clear_state: -- 1.7.9.5