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=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 BA9DFC433DF for ; Fri, 3 Jul 2020 16:52:20 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 801762186A for ; Fri, 3 Jul 2020 16:52:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="pX32wXRX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 801762186A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 4A63587B58; Fri, 3 Jul 2020 16:52:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t4mYstHShJoc; Fri, 3 Jul 2020 16:52:19 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id C341687B15; Fri, 3 Jul 2020 16:52:19 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id AED6BC0888; Fri, 3 Jul 2020 16:52:19 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id D2587C0733 for ; Fri, 3 Jul 2020 16:52:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id CD24420440 for ; Fri, 3 Jul 2020 16:52:18 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6zRAYT+8uzzo for ; Fri, 3 Jul 2020 16:52:17 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mail29.static.mailgun.info (mail29.static.mailgun.info [104.130.122.29]) by silver.osuosl.org (Postfix) with ESMTPS id 93362203DA for ; Fri, 3 Jul 2020 16:52:14 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1593795137; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=bs2X7o2ChfprwqSiXjt12ikg0daLURrNcQQ/2tEqmJI=; b=pX32wXRXKu17uIrkkypR/ejY5n5S34fvXBDg+VCranOanrmzw7409nfyv6Ex7UmRIv9Tzyc+ ioFXxUMyPJzQtcdImrOXFz4bHFOBGhYX9l8jetMgX+TkBwITudPt+18EHQiDlYxZcVlrfXe7 kPtAu/Nx7sXpBn8vZESXwijqV70= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI3NDkwMCIsICJpb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n08.prod.us-west-2.postgun.com with SMTP id 5eff62294c9690533a728d25 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 03 Jul 2020 16:51:53 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4628AC4339C; Fri, 3 Jul 2020 16:51:53 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5CB1EC433C8; Fri, 3 Jul 2020 16:51:52 +0000 (UTC) MIME-Version: 1.0 Date: Fri, 03 Jul 2020 22:21:52 +0530 From: Sai Prakash Ranjan To: Will Deacon Subject: Re: [PATCH] iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag In-Reply-To: <20200703162548.19953-1-will@kernel.org> References: <20200703162548.19953-1-will@kernel.org> Message-ID: <88f8a3021ae29534ad0d6a9269a1af40@codeaurora.org> X-Sender: saiprakash.ranjan@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Cc: "Isaac J. Manjarres" , kernel-team@android.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Robin Murphy , Christoph Hellwig 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 2020-07-03 21:55, 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 > Reviewed-by: Sai Prakash Ranjan