From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932959AbbJINPe (ORCPT ); Fri, 9 Oct 2015 09:15:34 -0400 Received: from foss.arm.com ([217.140.101.70]:39197 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932923AbbJINPa (ORCPT ); Fri, 9 Oct 2015 09:15:30 -0400 Date: Fri, 9 Oct 2015 14:15:23 +0100 From: Marc Zyngier To: Jean-Philippe Brucker Cc: linux-arm-kernel@lists.infradead.org, Jason Cooper , linux-kernel@vger.kernel.org, Thomas Gleixner , kvmarm@lists.cs.columbia.edu, Christoffer Dall Subject: Re: [PATCH v3 0/6] GICv3: add 32bit compatibility Message-ID: <20151009141523.1228b63e@arm.com> In-Reply-To: <1443703639-3730-1-git-send-email-jean-philippe.brucker@arm.com> References: <1443703639-3730-1-git-send-email-jean-philippe.brucker@arm.com> Organization: ARM Ltd X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 1 Oct 2015 13:47:13 +0100 Jean-Philippe Brucker wrote: > Hi, > > This series adds 32bit support to the GICv3 driver. Only SGIs, PPIs and > SPIs support is present, no ITS. > Currently, the main targets for those patches are 32bit guests running under > KVM. They can now use affinity routing and theoretically have a lot more than > 8 CPUs. During my tests, I was able to use 16 virtual CPUs on an AEM model. > > We don't support 32bit hosts with GICv3 at the moment. I added a patch to allow > building a host when CONFIG_ARM_GIC_V3 enabled, as pointed out by Vladimir in > the last series. When attempting to run such host with a device-tree that > declares GICv3, KVM will refuse to start, and throw a -ENODEV error. > > Some time has passed since last series, but I am now available full-time to act > on reviews and comments. > > Changes since v2 [2]: > - rebased on 4.3-rc3, > - add a sixth patch to handle build with CONFIG_KVM + CONFIG_ARM_GIC_V3. > > Changes since v1 [1]: > - fix the mistakes pointed out on the list, > - add a patch to select ARM_GIC_V3 under ARCH_VIRT. > > Cheers, > Jean Hi Jean-Philippe, Looks good to me: Reviewed-by: Marc Zyngier There is some conflicts with stuff I have queued already (the 64bit SRE stuff), but I can fix that up pretty easily, assuming Christoffer doesn't have any objection to the last patch. Thanks, M. -- Jazz is not dead. It just smells funny.