From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7A5AC4320A for ; Wed, 28 Jul 2021 15:59:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BAB4360F93 for ; Wed, 28 Jul 2021 15:59:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237291AbhG1P7R (ORCPT ); Wed, 28 Jul 2021 11:59:17 -0400 Received: from foss.arm.com ([217.140.110.172]:59236 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237287AbhG1P7N (ORCPT ); Wed, 28 Jul 2021 11:59:13 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C38C611D4; Wed, 28 Jul 2021 08:59:11 -0700 (PDT) Received: from 010265703453.arm.com (unknown [10.57.36.146]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 46E6C3F70D; Wed, 28 Jul 2021 08:59:10 -0700 (PDT) From: Robin Murphy To: joro@8bytes.org, will@kernel.org Cc: iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, suravee.suthikulpanit@amd.com, baolu.lu@linux.intel.com, john.garry@huawei.com, dianders@chromium.org Subject: [PATCH v2 04/24] iommu/vt-d: Drop IOVA cookie management Date: Wed, 28 Jul 2021 16:58:25 +0100 Message-Id: <6630ae3191be428135a7269c15b17d03c90573c1.1627468309.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The core code bakes its own cookies now. Signed-off-by: Robin Murphy --- drivers/iommu/intel/iommu.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index c12cc955389a..7e168634c433 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1979,10 +1979,6 @@ static void domain_exit(struct dmar_domain *domain) /* Remove associated devices and clear attached or cached domains */ domain_remove_dev_info(domain); - /* destroy iovas */ - if (domain->domain.type == IOMMU_DOMAIN_DMA) - iommu_put_dma_cookie(&domain->domain); - if (domain->pgd) { struct page *freelist; @@ -4544,10 +4540,6 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type) return NULL; } - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&dmar_domain->domain)) - return NULL; - domain = &dmar_domain->domain; domain->geometry.aperture_start = 0; domain->geometry.aperture_end = -- 2.25.1