Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754997AbaF3JOd (ORCPT ); Mon, 30 Jun 2014 05:14:33 -0400 Received: from fw-tnat.austin.arm.com ([217.140.110.23]:12840 "EHLO collaborate-mta1.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751716AbaF3JOb (ORCPT ); Mon, 30 Jun 2014 05:14:31 -0400 Message-ID: <53B12A6A.5050105@arm.com> Date: Mon, 30 Jun 2014 10:14:18 +0100 From: Marc Zyngier User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130330 Thunderbird/17.0.5 MIME-Version: 1.0 To: Christoffer Dall CC: Will Deacon , Kim Phillips , "kvm@vger.kernel.org" , Eric Auger , Kim Phillips , "linux-kernel@vger.kernel.org" , Alex Williamson , Antonios Motakis , "kvmarm@lists.cs.columbia.edu" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH 2/2 v2] ARM: KVM: user_mem_abort: support stage 2 MMIO page mapping References: <1395785294-2545-1-git-send-email-kim.phillips@linaro.org> <1395785294-2545-2-git-send-email-kim.phillips@linaro.org> <20140506180448.GH3066@lvm> <87bnvaotei.fsf@approximate.cambridge.arm.com> <20140507145557.GJ3066@lvm> <20140624102327.GA9121@arm.com> <53A9556D.3000003@arm.com> <20140625194551.a6443252bf913023159d25fd@freescale.com> <20140626084625.GA376@arm.com> <20140630090843.GB9233@cbox> In-Reply-To: <20140630090843.GB9233@cbox> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/06/14 10:08, Christoffer Dall wrote: > On Thu, Jun 26, 2014 at 09:46:26AM +0100, Will Deacon wrote: >> On Thu, Jun 26, 2014 at 01:45:51AM +0100, Kim Phillips wrote: >>> From: Kim Phillips >>> >>> A userspace process can map device MMIO memory via VFIO or /dev/mem, >>> e.g., for platform device passthrough support in QEMU. >>> >>> During early development, we found the PAGE_S2 memory type being used >>> for MMIO mappings. This patch corrects that by using the more strongly >>> ordered memory type for device MMIO mappings: PAGE_S2_DEVICE. >>> >>> Signed-off-by: Kim Phillips >>> Acked-by: Christoffer Dall >>> --- >>> Hi, here's a v2, upon request: >>> >>> - rebased onto today's mainline ToT >>> - mmu.o-build tested only (ToT build doesn't complete) >>> - made commit text less terse >>> - added Christoffer's ack >> >> Thanks for reposting this so quickly! >> >> Acked-by: Will Deacon >> > Thanks, > > Marc, will you apply this one to kvmarm/queue [and kvmarm/next]? Yup, adding it. M. -- Jazz is not dead. It just smells funny... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/