From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753641AbaGJN0R (ORCPT ); Thu, 10 Jul 2014 09:26:17 -0400 Received: from 8bytes.org ([85.214.48.195]:52020 "EHLO mail.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753418AbaGJN0A (ORCPT ); Thu, 10 Jul 2014 09:26:00 -0400 From: Joerg Roedel To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Oded.Gabbay@amd.com, Joerg Roedel Subject: [PATCH 2/9] iommu/amd: Don't call mmu_notifer_unregister in __unbind_pasid Date: Thu, 10 Jul 2014 15:25:43 +0200 Message-Id: <1404998750-15536-3-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1404998750-15536-1-git-send-email-joro@8bytes.org> References: <1404998750-15536-1-git-send-email-joro@8bytes.org> X-DSPAM-Result: Whitelisted X-DSPAM-Processed: Thu Jul 10 15:25:58 2014 X-DSPAM-Confidence: 0.9993 X-DSPAM-Probability: 0.0000 X-DSPAM-Signature: 53be946620864868219607 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel This function is called only in the mn_release() path, so there is no need to unregister the mmu_notifer here. Signed-off-by: Joerg Roedel Tested-by: Oded Gabbay --- drivers/iommu/amd_iommu_v2.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 0e29f6f..1fdd22c 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -313,8 +313,6 @@ static void __unbind_pasid(struct pasid_state *pasid_state) /* Make sure no more pending faults are in the queue */ flush_workqueue(iommu_wq); - mmu_notifier_unregister(&pasid_state->mn, pasid_state->mm); - put_pasid_state(pasid_state); /* Reference taken in bind() function */ } -- 1.7.9.5