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=-13.8 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 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 07DEBC433DB for ; Thu, 18 Mar 2021 10:45:04 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 7431064F3B for ; Thu, 18 Mar 2021 10:45:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7431064F3B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id C900B430B0; Thu, 18 Mar 2021 10:45:02 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F5d29Gd5D0RV; Thu, 18 Mar 2021 10:45:02 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTP id 68BC8430C5; Thu, 18 Mar 2021 10:45:01 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id EF014C0012; Thu, 18 Mar 2021 10:45:00 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4805EC0001; Thu, 18 Mar 2021 10:44:59 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 2977D84048; Thu, 18 Mar 2021 10:44:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yRlDMoEq_vTc; Thu, 18 Mar 2021 10:44:58 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by smtp1.osuosl.org (Postfix) with ESMTPS id 6CFDA84036; Thu, 18 Mar 2021 10:44:58 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 2D8572D8; Thu, 18 Mar 2021 11:44:56 +0100 (CET) Date: Thu, 18 Mar 2021 11:44:54 +0100 From: Joerg Roedel To: Jean-Philippe Brucker Subject: Re: [PATCH 3/3] iommu/virtio: Enable x86 support Message-ID: References: <20210316191652.3401335-1-jean-philippe@linaro.org> <20210316191652.3401335-4-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210316191652.3401335-4-jean-philippe@linaro.org> Cc: lorenzo.pieralisi@arm.com, mst@redhat.com, robin.murphy@arm.com, rjw@rjwysocki.net, virtualization@lists.linux-foundation.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org, sebastien.boeuf@intel.com, eric.auger@redhat.com, will@kernel.org, lenb@kernel.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Tue, Mar 16, 2021 at 08:16:54PM +0100, Jean-Philippe Brucker wrote: > With the VIOT support in place, x86 platforms can now use the > virtio-iommu. > > The arm64 Kconfig selects IOMMU_DMA, while x86 IOMMU drivers select it > themselves. > > Signed-off-by: Jean-Philippe Brucker > --- > drivers/iommu/Kconfig | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig > index 2819b5c8ec30..ccca83ef2f06 100644 > --- a/drivers/iommu/Kconfig > +++ b/drivers/iommu/Kconfig > @@ -400,8 +400,9 @@ config HYPERV_IOMMU > config VIRTIO_IOMMU > tristate "Virtio IOMMU driver" > depends on VIRTIO > - depends on ARM64 > + depends on (ARM64 || X86) > select IOMMU_API > + select IOMMU_DMA if X86 > select INTERVAL_TREE > select ACPI_VIOT if ACPI > help Acked-by: Joerg Roedel _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization