From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965183AbbLVWYw (ORCPT ); Tue, 22 Dec 2015 17:24:52 -0500 Received: from 8bytes.org ([81.169.241.247]:47630 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754702AbbLVWWE (ORCPT ); Tue, 22 Dec 2015 17:22:04 -0500 From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: linux-kernel@vger.kernel.org, joro@8bytes.org, jroedel@suse.de Subject: [PATCH 13/23] iommu/amd: Flush iommu tlb in dma_ops_free_addresses Date: Tue, 22 Dec 2015 23:21:18 +0100 Message-Id: <1450822888-22590-14-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1450822888-22590-1-git-send-email-joro@8bytes.org> References: <1450822888-22590-1-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 Instead of setting need_flush, do the flush directly in dma_ops_free_addresses. Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index a26cd76..62a4079 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1648,8 +1648,10 @@ static void dma_ops_free_addresses(struct dma_ops_domain *dom, return; #endif - if ((address >> APERTURE_RANGE_SHIFT) >= dom->next_index) - dom->need_flush = true; + if (address + pages > range->next_bit) { + domain_flush_tlb(&dom->domain); + domain_flush_complete(&dom->domain); + } address = (address % APERTURE_RANGE_SIZE) >> PAGE_SHIFT; -- 1.9.1