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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 8A244C31E40 for ; Fri, 9 Aug 2019 15:22:44 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 674E120B7C for ; Fri, 9 Aug 2019 15:22:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 674E120B7C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id EFAE2DB8; Fri, 9 Aug 2019 15:22:40 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 19354D3B for ; Fri, 9 Aug 2019 15:22:39 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 7EA118A0 for ; Fri, 9 Aug 2019 15:22:38 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 2528E457; Fri, 9 Aug 2019 17:22:36 +0200 (CEST) From: Joerg Roedel To: Joerg Roedel Subject: [PATCH 2/3] iommu: Set default domain type at runtime Date: Fri, 9 Aug 2019 17:22:32 +0200 Message-Id: <20190809152233.2829-3-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190809152233.2829-1-joro@8bytes.org> References: <20190809152233.2829-1-joro@8bytes.org> Cc: Thomas.Lendacky@amd.com, Joerg Roedel , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, bp@alien8.de X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org From: Joerg Roedel Set the default domain-type at runtime, not at compile-time. This keeps default domain type setting in one place when we have to change it at runtime. Signed-off-by: Joerg Roedel --- drivers/iommu/iommu.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b57ce00c1310..62cae6db0970 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -26,11 +26,8 @@ static struct kset *iommu_group_kset; static DEFINE_IDA(iommu_group_ida); -#ifdef CONFIG_IOMMU_DEFAULT_PASSTHROUGH -static unsigned int iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; -#else -static unsigned int iommu_def_domain_type = IOMMU_DOMAIN_DMA; -#endif + +static unsigned int iommu_def_domain_type __read_mostly; static bool iommu_dma_strict __read_mostly = true; struct iommu_group { @@ -102,6 +99,11 @@ static const char *iommu_domain_type_str(unsigned int t) static int __init iommu_subsys_init(void) { + if (IS_ENABLED(CONFIG_IOMMU_DEFAULT_PASSTHROUGH)) + iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; + else + iommu_def_domain_type = IOMMU_DOMAIN_DMA; + pr_info("Default domain type: %s\n", iommu_domain_type_str(iommu_def_domain_type)); -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 50329C433FF for ; Fri, 9 Aug 2019 15:22:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30F9920B7C for ; Fri, 9 Aug 2019 15:22:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407354AbfHIPWk (ORCPT ); Fri, 9 Aug 2019 11:22:40 -0400 Received: from 8bytes.org ([81.169.241.247]:48516 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406642AbfHIPWh (ORCPT ); Fri, 9 Aug 2019 11:22:37 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id 2528E457; Fri, 9 Aug 2019 17:22:36 +0200 (CEST) From: Joerg Roedel To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Thomas.Lendacky@amd.com, Suravee.Suthikulpanit@amd.com, bp@alien8.de, Joerg Roedel Subject: [PATCH 2/3] iommu: Set default domain type at runtime Date: Fri, 9 Aug 2019 17:22:32 +0200 Message-Id: <20190809152233.2829-3-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190809152233.2829-1-joro@8bytes.org> References: <20190809152233.2829-1-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel Set the default domain-type at runtime, not at compile-time. This keeps default domain type setting in one place when we have to change it at runtime. Signed-off-by: Joerg Roedel --- drivers/iommu/iommu.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b57ce00c1310..62cae6db0970 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -26,11 +26,8 @@ static struct kset *iommu_group_kset; static DEFINE_IDA(iommu_group_ida); -#ifdef CONFIG_IOMMU_DEFAULT_PASSTHROUGH -static unsigned int iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; -#else -static unsigned int iommu_def_domain_type = IOMMU_DOMAIN_DMA; -#endif + +static unsigned int iommu_def_domain_type __read_mostly; static bool iommu_dma_strict __read_mostly = true; struct iommu_group { @@ -102,6 +99,11 @@ static const char *iommu_domain_type_str(unsigned int t) static int __init iommu_subsys_init(void) { + if (IS_ENABLED(CONFIG_IOMMU_DEFAULT_PASSTHROUGH)) + iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; + else + iommu_def_domain_type = IOMMU_DOMAIN_DMA; + pr_info("Default domain type: %s\n", iommu_domain_type_str(iommu_def_domain_type)); -- 2.17.1