Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp5361748pxv; Wed, 28 Jul 2021 09:01:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwczUiR0zejiXtPQtZn4BAVwdFtmxavUujhxvU86frrxDm2iR9nGI7EGXOEjEhLnQcxZxnJ X-Received: by 2002:a05:6402:270f:: with SMTP id y15mr632756edd.65.1627488066772; Wed, 28 Jul 2021 09:01:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627488066; cv=none; d=google.com; s=arc-20160816; b=Siy+z6pMO4VJ38p9B6XTFvwu8FiDa49z93ZjuJtf3p1mqdpssFO2EDDyx/TWMo/j89 FvjnLpkpVdlg942PhhGlK9XsmpqkyEARiX7WH/dOuI+xVPhIkna5ZRzvJVDNOHaGK+Zx x2K7Uhr2otYgpd/Y5Io4LbdrBVbqKQO9kU4xAogc/gaCPYvyeoldM9SJV4cksDOI5T2u vghZ4tqEZaY5rOOD1tV87uycTTZlESRgYE9yX6/+fwowSrbv3a6ZHPMHEr2WhxrrgEw6 Jnsc3/IccX5gh5cC9SlRzMVBLBtacR5A5u3tsWh+2eOBKEoEd0VO5x0QnrPnt1kSYzg3 pDjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=1sB1Cc2dMksmnAQCxO/86aQjLSX0vBWYxejtu5kPYxU=; b=fbSwKlzrtBEp0/jMjrEBxDV31YiFzehwp3r4ZXaZLNZZsgU/Tx4pcvegarJ+JsA78g OHeli1qp6//942ie+bIdM8VvoUmF1DJJHanFOpNcWsrFJQEmQ6cNJ+ozijW0CBvB9NFB 1hN+y/oS/JZtNhBGu8bQPNQfakOa/hk2e+DY6GIPmSaIj3VBLOxmSHKdg+UK22OmkJZP OzwxSpO+kjwfwDSbhxNa+ZJJVvRBdJ9K3qRB048WwC9VP6RJxfe8jgNOuqqtkW9HbYim DT6CcthmUZnsT/2oGDM6TiPvxtFX0oCwp3FBp3hhAnOM4p6+ggJoWTzlaIJtmwt9//6U IpDQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b22si181751eje.622.2021.07.28.09.00.42; Wed, 28 Jul 2021 09:01:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237289AbhG1P7Q (ORCPT + 99 others); Wed, 28 Jul 2021 11:59:16 -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