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=-7.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 47EF2C433E0 for ; Wed, 10 Mar 2021 10:56:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11A0864FE2 for ; Wed, 10 Mar 2021 10:56:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232007AbhCJK4S (ORCPT ); Wed, 10 Mar 2021 05:56:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:45820 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbhCJKz6 (ORCPT ); Wed, 10 Mar 2021 05:55:58 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0375464FBA; Wed, 10 Mar 2021 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615373758; bh=l5F4mRFTlCcuvK65v3+ubAAIjsEOKjTToYBZnVrSV8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Snrq3o6NQfFy8T13bWkjeS0t+DUxWxLJ7ItwwsFvYQUN059elyy12JfOlinrWY9b9 HZXz58NlMVNMAanXaV4jMPtH+wZ63zpj4onuFCjkYAw0y6Itf99qSovicg/AvxjLlu dC1gGgjIjClyM+tZEQc82j0YPmrepv2haKqVn9pXRXBSHMvhcAemlq17an5DZjsRLD GavAs3RvhjKvztQsc6QzDP7siwQGDfGWNWfSNCMIjao9k51gQwMEycEcBk2+iaZ2FD GfnBGnq0Lliwgyj+ZV+DmU7+2pHmPC7dDWTA6KQMdLwYszXdvPO5XE4k7J4bo7MxuP Ok+UecEar6NwQ== Date: Wed, 10 Mar 2021 10:55:51 +0000 From: Will Deacon To: Christoph Hellwig Cc: Rob Clark , Robin Murphy , Joerg Roedel , Li Yang , kvm@vger.kernel.org, Michael Ellerman , linux-arm-msm , linuxppc-dev , dri-devel , virtualization@lists.linux-foundation.org, "list@263.net:IOMMU DRIVERS , Joerg Roedel ," , netdev@vger.kernel.org, freedreno , David Woodhouse , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Sai Prakash Ranjan Subject: Re: [Freedreno] [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Message-ID: <20210310105550.GA29270@willie-the-truck> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-17-hch@lst.de> <20210305100012.GB22536@willie-the-truck> <20210310085806.GB5928@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210310085806.GB5928@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote: > On Fri, Mar 05, 2021 at 10:00:12AM +0000, Will Deacon wrote: > > > But one thing I'm not sure about is whether > > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices > > > *should* be using as well, but just haven't gotten around to yet. > > > > The intention is certainly that this would be a place to collate per-domain > > pgtable quirks, so I'd prefer not to tie that to the GPU. > > So the overall consensus is to just keep this as-is for now? Yes, please. If it doesn't see wider adoption then we can revisit it. Will 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=-5.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 AEE8BC433DB for ; Wed, 10 Mar 2021 10:56:31 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 A81ED64FE2 for ; Wed, 10 Mar 2021 10:56:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A81ED64FE2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4DwTXY02xtz3d5B for ; Wed, 10 Mar 2021 21:56:29 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Snrq3o6N; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=will@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Snrq3o6N; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4DwTX23WlDz3cK6 for ; Wed, 10 Mar 2021 21:56:02 +1100 (AEDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id 0375464FBA; Wed, 10 Mar 2021 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615373758; bh=l5F4mRFTlCcuvK65v3+ubAAIjsEOKjTToYBZnVrSV8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Snrq3o6NQfFy8T13bWkjeS0t+DUxWxLJ7ItwwsFvYQUN059elyy12JfOlinrWY9b9 HZXz58NlMVNMAanXaV4jMPtH+wZ63zpj4onuFCjkYAw0y6Itf99qSovicg/AvxjLlu dC1gGgjIjClyM+tZEQc82j0YPmrepv2haKqVn9pXRXBSHMvhcAemlq17an5DZjsRLD GavAs3RvhjKvztQsc6QzDP7siwQGDfGWNWfSNCMIjao9k51gQwMEycEcBk2+iaZ2FD GfnBGnq0Lliwgyj+ZV+DmU7+2pHmPC7dDWTA6KQMdLwYszXdvPO5XE4k7J4bo7MxuP Ok+UecEar6NwQ== Date: Wed, 10 Mar 2021 10:55:51 +0000 From: Will Deacon To: Christoph Hellwig Subject: Re: [Freedreno] [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Message-ID: <20210310105550.GA29270@willie-the-truck> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-17-hch@lst.de> <20210305100012.GB22536@willie-the-truck> <20210310085806.GB5928@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210310085806.GB5928@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: freedreno , Sai Prakash Ranjan , kvm@vger.kernel.org, Joerg Roedel , linuxppc-dev , dri-devel , Li Yang , Rob Clark , "list@263.net:IOMMU DRIVERS , Joerg Roedel , " , David Woodhouse , linux-arm-msm , virtualization@lists.linux-foundation.org, Robin Murphy , netdev@vger.kernel.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote: > On Fri, Mar 05, 2021 at 10:00:12AM +0000, Will Deacon wrote: > > > But one thing I'm not sure about is whether > > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices > > > *should* be using as well, but just haven't gotten around to yet. > > > > The intention is certainly that this would be a place to collate per-domain > > pgtable quirks, so I'd prefer not to tie that to the GPU. > > So the overall consensus is to just keep this as-is for now? Yes, please. If it doesn't see wider adoption then we can revisit it. Will 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=-5.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=no 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 D136EC433E6 for ; Wed, 10 Mar 2021 10:56:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2DE3A64FE5 for ; Wed, 10 Mar 2021 10:56:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2DE3A64FE5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; 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Wed, 10 Mar 2021 10:55:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=kernel.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FknPplhW73ik; Wed, 10 Mar 2021 10:55:58 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp4.osuosl.org (Postfix) with ESMTPS id BA2EA4EC57; Wed, 10 Mar 2021 10:55:58 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 0375464FBA; Wed, 10 Mar 2021 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615373758; bh=l5F4mRFTlCcuvK65v3+ubAAIjsEOKjTToYBZnVrSV8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Snrq3o6NQfFy8T13bWkjeS0t+DUxWxLJ7ItwwsFvYQUN059elyy12JfOlinrWY9b9 HZXz58NlMVNMAanXaV4jMPtH+wZ63zpj4onuFCjkYAw0y6Itf99qSovicg/AvxjLlu dC1gGgjIjClyM+tZEQc82j0YPmrepv2haKqVn9pXRXBSHMvhcAemlq17an5DZjsRLD GavAs3RvhjKvztQsc6QzDP7siwQGDfGWNWfSNCMIjao9k51gQwMEycEcBk2+iaZ2FD GfnBGnq0Lliwgyj+ZV+DmU7+2pHmPC7dDWTA6KQMdLwYszXdvPO5XE4k7J4bo7MxuP Ok+UecEar6NwQ== Date: Wed, 10 Mar 2021 10:55:51 +0000 From: Will Deacon To: Christoph Hellwig Subject: Re: [Freedreno] [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Message-ID: <20210310105550.GA29270@willie-the-truck> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-17-hch@lst.de> <20210305100012.GB22536@willie-the-truck> <20210310085806.GB5928@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210310085806.GB5928@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: freedreno , kvm@vger.kernel.org, Michael Ellerman , linuxppc-dev , dri-devel , Li Yang , "list@263.net:IOMMU DRIVERS , Joerg Roedel , " , David Woodhouse , linux-arm-msm , virtualization@lists.linux-foundation.org, Robin Murphy , netdev@vger.kernel.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote: > On Fri, Mar 05, 2021 at 10:00:12AM +0000, Will Deacon wrote: > > > But one thing I'm not sure about is whether > > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices > > > *should* be using as well, but just haven't gotten around to yet. > > > > The intention is certainly that this would be a place to collate per-domain > > pgtable quirks, so I'd prefer not to tie that to the GPU. > > So the overall consensus is to just keep this as-is for now? Yes, please. If it doesn't see wider adoption then we can revisit it. Will _______________________________________________ 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=-5.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=no 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 A5BDEC433E0 for ; Wed, 10 Mar 2021 10:56:03 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 22A6864FBA for ; Wed, 10 Mar 2021 10:56:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 22A6864FBA Authentication-Results: mail.kernel.org; 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Wed, 10 Mar 2021 10:55:59 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 788E34EC58; Wed, 10 Mar 2021 10:55:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=kernel.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FknPplhW73ik; Wed, 10 Mar 2021 10:55:58 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp4.osuosl.org (Postfix) with ESMTPS id BA2EA4EC57; Wed, 10 Mar 2021 10:55:58 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 0375464FBA; Wed, 10 Mar 2021 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615373758; bh=l5F4mRFTlCcuvK65v3+ubAAIjsEOKjTToYBZnVrSV8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Snrq3o6NQfFy8T13bWkjeS0t+DUxWxLJ7ItwwsFvYQUN059elyy12JfOlinrWY9b9 HZXz58NlMVNMAanXaV4jMPtH+wZ63zpj4onuFCjkYAw0y6Itf99qSovicg/AvxjLlu dC1gGgjIjClyM+tZEQc82j0YPmrepv2haKqVn9pXRXBSHMvhcAemlq17an5DZjsRLD GavAs3RvhjKvztQsc6QzDP7siwQGDfGWNWfSNCMIjao9k51gQwMEycEcBk2+iaZ2FD GfnBGnq0Lliwgyj+ZV+DmU7+2pHmPC7dDWTA6KQMdLwYszXdvPO5XE4k7J4bo7MxuP Ok+UecEar6NwQ== Date: Wed, 10 Mar 2021 10:55:51 +0000 From: Will Deacon To: Christoph Hellwig Subject: Re: [Freedreno] [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Message-ID: <20210310105550.GA29270@willie-the-truck> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-17-hch@lst.de> <20210305100012.GB22536@willie-the-truck> <20210310085806.GB5928@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210310085806.GB5928@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: freedreno , Sai Prakash Ranjan , kvm@vger.kernel.org, Michael Ellerman , Joerg Roedel , linuxppc-dev , dri-devel , Li Yang , Rob Clark , "list@263.net:IOMMU DRIVERS , Joerg Roedel , " , David Woodhouse , linux-arm-msm , virtualization@lists.linux-foundation.org, Robin Murphy , netdev@vger.kernel.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 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 Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote: > On Fri, Mar 05, 2021 at 10:00:12AM +0000, Will Deacon wrote: > > > But one thing I'm not sure about is whether > > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices > > > *should* be using as well, but just haven't gotten around to yet. > > > > The intention is certainly that this would be a place to collate per-domain > > pgtable quirks, so I'd prefer not to tie that to the GPU. > > So the overall consensus is to just keep this as-is for now? Yes, please. If it doesn't see wider adoption then we can revisit it. Will _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization 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=-5.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 D443AC433E0 for ; Wed, 10 Mar 2021 10:57:52 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 452D264FBA for ; Wed, 10 Mar 2021 10:57:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 452D264FBA Authentication-Results: mail.kernel.org; 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Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lJwVZ-006ebv-DY; Wed, 10 Mar 2021 10:56:05 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lJwVT-006eak-Dt for linux-arm-kernel@lists.infradead.org; Wed, 10 Mar 2021 10:56:01 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0375464FBA; Wed, 10 Mar 2021 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615373758; bh=l5F4mRFTlCcuvK65v3+ubAAIjsEOKjTToYBZnVrSV8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Snrq3o6NQfFy8T13bWkjeS0t+DUxWxLJ7ItwwsFvYQUN059elyy12JfOlinrWY9b9 HZXz58NlMVNMAanXaV4jMPtH+wZ63zpj4onuFCjkYAw0y6Itf99qSovicg/AvxjLlu dC1gGgjIjClyM+tZEQc82j0YPmrepv2haKqVn9pXRXBSHMvhcAemlq17an5DZjsRLD GavAs3RvhjKvztQsc6QzDP7siwQGDfGWNWfSNCMIjao9k51gQwMEycEcBk2+iaZ2FD GfnBGnq0Lliwgyj+ZV+DmU7+2pHmPC7dDWTA6KQMdLwYszXdvPO5XE4k7J4bo7MxuP Ok+UecEar6NwQ== Date: Wed, 10 Mar 2021 10:55:51 +0000 From: Will Deacon To: Christoph Hellwig Cc: Rob Clark , Robin Murphy , Joerg Roedel , Li Yang , kvm@vger.kernel.org, Michael Ellerman , linux-arm-msm , linuxppc-dev , dri-devel , virtualization@lists.linux-foundation.org, "list@263.net:IOMMU DRIVERS , Joerg Roedel , " , netdev@vger.kernel.org, freedreno , David Woodhouse , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Sai Prakash Ranjan Subject: Re: [Freedreno] [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Message-ID: <20210310105550.GA29270@willie-the-truck> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-17-hch@lst.de> <20210305100012.GB22536@willie-the-truck> <20210310085806.GB5928@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210310085806.GB5928@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210310_105559_679888_0D6E6C86 X-CRM114-Status: GOOD ( 14.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote: > On Fri, Mar 05, 2021 at 10:00:12AM +0000, Will Deacon wrote: > > > But one thing I'm not sure about is whether > > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices > > > *should* be using as well, but just haven't gotten around to yet. > > > > The intention is certainly that this would be a place to collate per-domain > > pgtable quirks, so I'd prefer not to tie that to the GPU. > > So the overall consensus is to just keep this as-is for now? Yes, please. If it doesn't see wider adoption then we can revisit it. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-5.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 335F5C433E0 for ; Wed, 10 Mar 2021 10:56:01 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 C52BA64FE4 for ; Wed, 10 Mar 2021 10:56:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C52BA64FE4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 24BC36EA04; Wed, 10 Mar 2021 10:56:00 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2120A6E165; Wed, 10 Mar 2021 10:55:59 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 0375464FBA; Wed, 10 Mar 2021 10:55:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615373758; bh=l5F4mRFTlCcuvK65v3+ubAAIjsEOKjTToYBZnVrSV8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Snrq3o6NQfFy8T13bWkjeS0t+DUxWxLJ7ItwwsFvYQUN059elyy12JfOlinrWY9b9 HZXz58NlMVNMAanXaV4jMPtH+wZ63zpj4onuFCjkYAw0y6Itf99qSovicg/AvxjLlu dC1gGgjIjClyM+tZEQc82j0YPmrepv2haKqVn9pXRXBSHMvhcAemlq17an5DZjsRLD GavAs3RvhjKvztQsc6QzDP7siwQGDfGWNWfSNCMIjao9k51gQwMEycEcBk2+iaZ2FD GfnBGnq0Lliwgyj+ZV+DmU7+2pHmPC7dDWTA6KQMdLwYszXdvPO5XE4k7J4bo7MxuP Ok+UecEar6NwQ== Date: Wed, 10 Mar 2021 10:55:51 +0000 From: Will Deacon To: Christoph Hellwig Subject: Re: [Freedreno] [PATCH 16/17] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG Message-ID: <20210310105550.GA29270@willie-the-truck> References: <20210301084257.945454-1-hch@lst.de> <20210301084257.945454-17-hch@lst.de> <20210305100012.GB22536@willie-the-truck> <20210310085806.GB5928@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210310085806.GB5928@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: freedreno , Sai Prakash Ranjan , kvm@vger.kernel.org, Michael Ellerman , Joerg Roedel , linuxppc-dev , dri-devel , Li Yang , "list@263.net:IOMMU DRIVERS , Joerg Roedel , " , David Woodhouse , linux-arm-msm , virtualization@lists.linux-foundation.org, Robin Murphy , netdev@vger.kernel.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote: > On Fri, Mar 05, 2021 at 10:00:12AM +0000, Will Deacon wrote: > > > But one thing I'm not sure about is whether > > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices > > > *should* be using as well, but just haven't gotten around to yet. > > > > The intention is certainly that this would be a place to collate per-domain > > pgtable quirks, so I'd prefer not to tie that to the GPU. > > So the overall consensus is to just keep this as-is for now? Yes, please. If it doesn't see wider adoption then we can revisit it. Will _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel