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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 A64EBC282CE for ; Tue, 4 Jun 2019 15:47:21 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 8178420717 for ; Tue, 4 Jun 2019 15:47:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8178420717 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 66313B88; Tue, 4 Jun 2019 15:47:21 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 16FFDAA5 for ; Tue, 4 Jun 2019 15:47:21 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C15156D6 for ; Tue, 4 Jun 2019 15:47:20 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jun 2019 08:47:20 -0700 X-ExtLoop1: 1 Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.7.199.155]) by fmsmga004.fm.intel.com with ESMTP; 04 Jun 2019 08:47:19 -0700 Date: Tue, 4 Jun 2019 08:50:24 -0700 From: Jacob Pan To: Jean-Philippe Brucker Subject: Re: [PATCH v8 05/29] iommu: Add a timeout parameter for PRQ response Message-ID: <20190604085024.596696c3@jacob-builder> In-Reply-To: <13428eef-9b95-0f79-bebf-317a2205673a@arm.com> References: <20190526161004.25232-1-eric.auger@redhat.com> <20190526161004.25232-6-eric.auger@redhat.com> <20190603163214.483884a7@x1.home> <13428eef-9b95-0f79-bebf-317a2205673a@arm.com> Organization: OTC X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Cc: "peter.maydell@linaro.org" , "kevin.tian@intel.com" , "ashok.raj@intel.com" , "kvm@vger.kernel.org" , Marc Zyngier , Will Deacon , "iommu@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" , Alex Williamson , Vincent Stehle , Robin Murphy , "kvmarm@lists.cs.columbia.edu" , "eric.auger.pro@gmail.com" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 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 Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org On Tue, 4 Jun 2019 11:52:18 +0100 Jean-Philippe Brucker wrote: > On 03/06/2019 23:32, Alex Williamson wrote: > > It doesn't seem to make much sense to include this patch without > > also including "iommu: handle page response timeout". Was that one > > lost? Dropped? Lives elsewhere? > > The first 7 patches come from my sva/api branch, where I had forgotten > to add the "handle page response timeout" patch. I added it back, > probably after Eric sent this version. But I don't think the patch is > ready for upstream, as we still haven't decided how to proceed with > timeouts. Patches 6 and 7 are for debugging, I don't know if they > should go upstream. Yeah, we can wait until we all agree on timeouts. It was introduced for a basic safeguard against unresponsive guests. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu