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 Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 09CBDC43334 for ; Wed, 22 Jun 2022 13:12:51 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 7DED460EBE; Wed, 22 Jun 2022 13:12:51 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 7DED460EBE X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HMrC9imR1Sqf; Wed, 22 Jun 2022 13:12:47 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp3.osuosl.org (Postfix) with ESMTPS id 3A8FE60B3D; Wed, 22 Jun 2022 13:12:47 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 3A8FE60B3D Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 06986C0039; Wed, 22 Jun 2022 13:12:47 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7B45DC002D for ; Wed, 22 Jun 2022 13:12:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 63FFF60E80 for ; Wed, 22 Jun 2022 13:12:46 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 63FFF60E80 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sZk_OYf21Sqv for ; Wed, 22 Jun 2022 13:12:45 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 4336360B3D Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp3.osuosl.org (Postfix) with ESMTP id 4336360B3D for ; Wed, 22 Jun 2022 13:12:45 +0000 (UTC) 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 88C9913D5; Wed, 22 Jun 2022 06:12:44 -0700 (PDT) Received: from [10.57.85.1] (unknown [10.57.85.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6B49C3F534; Wed, 22 Jun 2022 06:12:43 -0700 (PDT) Message-ID: Date: Wed, 22 Jun 2022 14:12:39 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v2] iommu/dma: Add config for PCI SAC address trick Content-Language: en-GB To: Joerg Roedel References: <3f06994f9f370f9d35b2630ab75171ecd2065621.1654782107.git.robin.murphy@arm.com> From: Robin Murphy In-Reply-To: Cc: iommu@lists.linux-foundation.org, will@kernel.org, linux-kernel@vger.kernel.org, hch@lst.de X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 2022-06-22 13:59, Joerg Roedel wrote: > On Thu, Jun 09, 2022 at 04:12:10PM +0100, Robin Murphy wrote: >> firmware bindings by now. Let's be brave and default it to off in the > > I don't have an overall good feeling about this, but as you said, let's > be brave. This is applied now to the core branch. > > If it causes too much trouble we can still revert it (and re-revert it > later, ...) Even easier, we can just bring back "default X86", or "default y", if too many folks object to configuring it manually :) Thanks for your bravery! Robin. _______________________________________________ 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B42A4C433EF for ; Wed, 22 Jun 2022 13:15:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352161AbiFVNPU (ORCPT ); Wed, 22 Jun 2022 09:15:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354555AbiFVNNP (ORCPT ); Wed, 22 Jun 2022 09:13:15 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CDA7C22B12 for ; Wed, 22 Jun 2022 06:12:44 -0700 (PDT) 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 88C9913D5; Wed, 22 Jun 2022 06:12:44 -0700 (PDT) Received: from [10.57.85.1] (unknown [10.57.85.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6B49C3F534; Wed, 22 Jun 2022 06:12:43 -0700 (PDT) Message-ID: Date: Wed, 22 Jun 2022 14:12:39 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v2] iommu/dma: Add config for PCI SAC address trick Content-Language: en-GB To: Joerg Roedel Cc: will@kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, hch@lst.de, john.garry@huawei.com References: <3f06994f9f370f9d35b2630ab75171ecd2065621.1654782107.git.robin.murphy@arm.com> From: Robin Murphy In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-06-22 13:59, Joerg Roedel wrote: > On Thu, Jun 09, 2022 at 04:12:10PM +0100, Robin Murphy wrote: >> firmware bindings by now. Let's be brave and default it to off in the > > I don't have an overall good feeling about this, but as you said, let's > be brave. This is applied now to the core branch. > > If it causes too much trouble we can still revert it (and re-revert it > later, ...) Even easier, we can just bring back "default X86", or "default y", if too many folks object to configuring it manually :) Thanks for your bravery! Robin.