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=-13.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 86E3BC433E0 for ; Fri, 10 Jul 2020 13:05:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65C5D20748 for ; Fri, 10 Jul 2020 13:05:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594386334; bh=EDql9LXT2itJkdhBRq+W0xaKADE3RTfhQuAty2vmxuo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=mBm1BgfNT5d+KCOT3eantMtSJCAukDPadeF0007ot3RaQXdti+WuSYdZUe2Jd3N85 TLBCVXHjcd4PUpiXOwyrdTGmFYPqTx1CScU5bL4DziHgEbz7scdUUiCJXBitbDaNbe jagbstS9nUKl4Y4z/CLJE3Qks8KcfqRolOgZap40= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727768AbgGJNFd (ORCPT ); Fri, 10 Jul 2020 09:05:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:46818 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726920AbgGJNFb (ORCPT ); Fri, 10 Jul 2020 09:05:31 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 02D9C20748; Fri, 10 Jul 2020 13:05:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594386331; bh=EDql9LXT2itJkdhBRq+W0xaKADE3RTfhQuAty2vmxuo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TnRVM/8nu6yid3DGoPwuPeKeWJebZK5Gp9pEALAT1xgI2b0x1fade4Xmvt8jN7NXM 1UFZgjEFLUyYtUD2ARniQ7l9C5exu7qfh8cKLJdz0qQdka4Z7dM95ETYShr8fyiusf 7NM8UBJW94sAgoG0yolNnJEiHjitQugvwimRz5Sc= Date: Fri, 10 Jul 2020 14:05:27 +0100 From: Will Deacon To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kernel-team@android.com, Robin Murphy , "Isaac J. Manjarres" , Christoph Hellwig , Sai Prakash Ranjan , Rob Clark Subject: Re: [PATCH] iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag Message-ID: <20200710130526.GA30578@willie-the-truck> References: <20200703162548.19953-1-will@kernel.org> <20200710125831.GI27672@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200710125831.GI27672@8bytes.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Joerg, On Fri, Jul 10, 2020 at 02:58:32PM +0200, Joerg Roedel wrote: > On Fri, Jul 03, 2020 at 05:25:48PM +0100, Will Deacon wrote: > > The IOMMU_SYS_CACHE_ONLY flag was never exposed via the DMA API and > > has no in-tree users. Remove it. > > > > Cc: Robin Murphy > > Cc: "Isaac J. Manjarres" > > Cc: Joerg Roedel > > Cc: Christoph Hellwig > > Cc: Sai Prakash Ranjan > > Cc: Rob Clark > > Signed-off-by: Will Deacon > > --- > > > > As discussed in [1], sounds like this should be a domain attribute anyway > > when it's needed by the GPU. > > > > [1] https://lore.kernel.org/r/CAF6AEGsCROVTsi2R7_aUkmH9Luoc_guMR0w0KUJc2cEgpfj79w@mail.gmail.com > > > > drivers/iommu/io-pgtable-arm.c | 3 --- > > include/linux/iommu.h | 6 ------ > > 2 files changed, 9 deletions(-) > > Applied, thanks. Ah, I'd already got this queued for 5.9: https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=for-joerg/arm-smmu/updates and I've queued a small number of patches on top of it now. Are you planning to send it for 5.8? If so, I suspect I'll have to rebase. Will