From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753976AbaG3OF4 (ORCPT ); Wed, 30 Jul 2014 10:05:56 -0400 Received: from 8bytes.org ([81.169.241.247]:59117 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753050AbaG3OEw (ORCPT ); Wed, 30 Jul 2014 10:04:52 -0400 From: Joerg Roedel To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Joerg Roedel Subject: [PATCH 2/4] iommu/amd: Remove change_pte mmu_notifier call-back Date: Wed, 30 Jul 2014 16:04:38 +0200 Message-Id: <1406729080-2486-2-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406729080-2486-1-git-send-email-joro@8bytes.org> References: <1406729080-2486-1-git-send-email-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel All calls to this call-back are wrapped with mmu_notifer_invalidate_range_start()/end(), making this notifier pretty useless, so remove it. Signed-off-by: Joerg Roedel Tested-by: Oded Gabbay --- drivers/iommu/amd_iommu_v2.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 2b7de88..524fd67 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -406,14 +406,6 @@ static int mn_clear_flush_young(struct mmu_notifier *mn, return 0; } -static void mn_change_pte(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long address, - pte_t pte) -{ - __mn_flush_page(mn, address); -} - static void mn_invalidate_page(struct mmu_notifier *mn, struct mm_struct *mm, unsigned long address) @@ -484,7 +476,6 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm) static struct mmu_notifier_ops iommu_mn = { .release = mn_release, .clear_flush_young = mn_clear_flush_young, - .change_pte = mn_change_pte, .invalidate_page = mn_invalidate_page, .invalidate_range_start = mn_invalidate_range_start, .invalidate_range_end = mn_invalidate_range_end, -- 1.9.1