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=-5.5 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 55BFBC433B4 for ; Thu, 1 Apr 2021 17:16:41 +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 E4E5D613C4 for ; Thu, 1 Apr 2021 17:16:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E4E5D613C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bzwXhfTInhjLUI1myqtK5PUwcqkQMZZy8SwwgricsjQ=; b=isbKHl/QAAbhu3wOgHFTFx3QB 1X5981mHhG/2Wa3uVaGRkotA/VCV3ydw/xdiDRxkmWCEtUl1OmPv/1yLtQiCRtqM/V/QbNT4IBmER FwSpLCi/qSYknZyKHSqjVecDJgssebyNtXBpgTIzNy9O8tRkFLwD0wdIEOObhjTabBoRRgivJ52SH BoU84XSuaZuXcjQNZZyAAkV+q+oWOm2mElAedSqcYR2cYZAvq3C6n55m8TXHbn1+hRmocJF4BBFUw 74bfEUPzgZQM1j7Gxg73OlLTH4FtreqOC+mFQw3Hh22EvoTgvFG6ka9graTxqWTE02NBqEDNmk8Rh k+vs8dLfg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lS0ua-00ATUg-Hs; Thu, 01 Apr 2021 17:15:16 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lS0uU-00ATTV-Ra for linux-arm-kernel@lists.infradead.org; Thu, 01 Apr 2021 17:15:12 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9D9EF613BC; Thu, 1 Apr 2021 17:15:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617297309; bh=Ph9+lnZtIzSHhSU0K6hxMEjAX5FATLhumPexdh/21YE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ri+XLAtbo6oc/14qf6Nc6kPi+TD8uNByUFcX9gAWNIrqfgTCdfJl62m0qAureFoaL vQsb20+HbosVH32lv0CWBjvCmH+4LFWlfr/Ew1I7yi4nqfA5VH+jLvv7MdhXQUc7TN n8QrOpYaXLw/Y5MbKHhSF+31FYlygg8xNhSz48Hycir/Pzebgu2afUkQdg2iq/nJe6 92SaK/Y1oz8iCxjc6OS3EftTfhpde626t0I0Y/u22Wv4aOevCEyP7JrGivO7Xq/X55 OtqVoeUtTnYozo22/PNi9ALkon1ZN/S+BWzGPLe3cPH7ldlB23iV6KBzmLPiZMsGb3 /I/HrkcR1fqIQ== Date: Thu, 1 Apr 2021 18:15:02 +0100 From: Will Deacon To: Jean-Philippe Brucker Subject: Re: [PATCH v14 00/10] iommu: I/O page faults for SMMUv3 Message-ID: <20210401171501.GC9447@willie-the-truck> References: <20210401154718.307519-1-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210401154718.307519-1-jean-philippe@linaro.org> 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-20210401_181511_089903_26E24707 X-CRM114-Status: GOOD ( 11.19 ) 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: , Cc: vivek.gautam@arm.com, guohanjun@huawei.com, zhukeqian1@huawei.com, lorenzo.pieralisi@arm.com, joro@8bytes.org, wangzhou1@hisilicon.com, linux-acpi@vger.kernel.org, zhangfei.gao@linaro.org, lenb@kernel.org, devicetree@vger.kernel.org, kevin.tian@intel.com, jacob.jun.pan@linux.intel.com, eric.auger@redhat.com, robh+dt@kernel.org, Jonathan.Cameron@huawei.com, linux-arm-kernel@lists.infradead.org, rjw@rjwysocki.net, shameerali.kolothum.thodi@huawei.com, iommu@lists.linux-foundation.org, sudeep.holla@arm.com, robin.murphy@arm.com, linux-accelerators@lists.ozlabs.org, baolu.lu@linux.intel.com 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 Thu, Apr 01, 2021 at 05:47:09PM +0200, Jean-Philippe Brucker wrote: > Add stall support to the SMMUv3 driver, along with a common I/O Page > Fault handler. > > Since [v13] I added review and ack tags (Thanks!), and a lockdep_assert. > It would be good to have all of it in v5.13, since patch 10 introduces > the first user for the IOPF interface from patch 6. But if that's not > possible, please pick patches 1-6 so the Vt-d driver can start using > them. Patches 1-7 look good to me, but I'm not convinced about the utility of stalling faults so I'd prefer the later patches to come along with a real user. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel