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