From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 4/9] iommu/amd: Get rid of __unbind_pasid Date: Thu, 10 Jul 2014 15:25:45 +0200 Message-ID: <1404998750-15536-5-git-send-email-joro@8bytes.org> References: <1404998750-15536-1-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: <1404998750-15536-1-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, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Joerg Roedel List-Id: iommu@lists.linux-foundation.org From: Joerg Roedel Unbind_pasid is only called from mn_release which already has the pasid_state. Use this to simplify the unbind_pasid path and get rid of __unbind_pasid. Signed-off-by: Joerg Roedel Tested-by: Oded Gabbay --- drivers/iommu/amd_iommu_v2.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index a621552..574c71b 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -99,7 +99,6 @@ static struct workqueue_struct *iommu_wq; static u64 *empty_page_table; static void free_pasid_states(struct device_state *dev_state); -static void unbind_pasid(struct device_state *dev_state, int pasid); static u16 device_id(struct pci_dev *pdev) { @@ -301,7 +300,7 @@ static void put_pasid_state_wait(struct pasid_state *pasid_state) free_pasid_state(pasid_state); } -static void __unbind_pasid(struct pasid_state *pasid_state) +static void unbind_pasid(struct pasid_state *pasid_state) { struct iommu_domain *domain; @@ -314,18 +313,6 @@ static void __unbind_pasid(struct pasid_state *pasid_state) flush_workqueue(iommu_wq); } -static void unbind_pasid(struct device_state *dev_state, int pasid) -{ - struct pasid_state *pasid_state; - - pasid_state = get_pasid_state(dev_state, pasid); - if (pasid_state == NULL) - return; - - __unbind_pasid(pasid_state); - put_pasid_state(pasid_state); /* Reference taken in this function */ -} - static void free_pasid_states_level1(struct pasid_state **tbl) { int i; @@ -480,7 +467,7 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm) if (pasid_state->device_state->inv_ctx_cb) dev_state->inv_ctx_cb(dev_state->pdev, pasid_state->pasid); - unbind_pasid(dev_state, pasid_state->pasid); + unbind_pasid(pasid_state); } static struct mmu_notifier_ops iommu_mn = { -- 1.7.9.5