From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH] KVM: arm/arm64: Add VGICv3 save/restore API documentation Date: Thu, 8 Oct 2015 14:36:30 +0200 Message-ID: <20151008123630.GC20936@cbox> References: <1444247430-14808-1-git-send-email-christoffer.dall@linaro.org> <003a01d10199$58e96590$0abc30b0$@samsung.com> <20151008082302.GE14315@cbox> <005e01d101a9$31ee80f0$95cb82d0$@samsung.com> <20151008092858.GA16100@cbox> <561641F5.4060202@arm.com> <009501d101c4$dde8e2e0$99baa8a0$@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3EE3A41978 for ; Thu, 8 Oct 2015 08:34:18 -0400 (EDT) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lpHSij9IBEIM for ; Thu, 8 Oct 2015 08:34:17 -0400 (EDT) Received: from mail-lb0-f177.google.com (mail-lb0-f177.google.com [209.85.217.177]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 4C8D54130B for ; Thu, 8 Oct 2015 08:34:17 -0400 (EDT) Received: by lbcao8 with SMTP id ao8so45680720lbc.3 for ; Thu, 08 Oct 2015 05:36:15 -0700 (PDT) Content-Disposition: inline In-Reply-To: <009501d101c4$dde8e2e0$99baa8a0$@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Pavel Fedin Cc: kvm@vger.kernel.org, 'Marc Zyngier' , 'Andre Przywara' , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org List-Id: kvmarm@lists.cs.columbia.edu On Thu, Oct 08, 2015 at 03:28:40PM +0300, Pavel Fedin wrote: > Hello! > > > Well, compatibility with GICv2 is the biggest mistake we made when > > designing the GICv3 architecture. And that's why our emulation doesn't > > give a damn about v2 compatibility. > > Ok, i see your arguments, and after that it becomes a matter of personal taste. Three beat one, i > go your way. :) Don't know if i'll be able to roll out v5 tomorrow, but i think on monday i'll > definitely do. > There's no rush, I don't think this will make it into v4.4 anyhow, as we're already on -rc4 and there's a bunch of other stuff in flight, and I haven't configured a way to test these patches yet. Speaking of which, does the QEMU side of this patch set require first adding the GICv3 emulation for the data structures or is there a stand-alone migration patch set somewhere? -Christoffer From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Thu, 8 Oct 2015 14:36:30 +0200 Subject: [PATCH] KVM: arm/arm64: Add VGICv3 save/restore API documentation In-Reply-To: <009501d101c4$dde8e2e0$99baa8a0$@samsung.com> References: <1444247430-14808-1-git-send-email-christoffer.dall@linaro.org> <003a01d10199$58e96590$0abc30b0$@samsung.com> <20151008082302.GE14315@cbox> <005e01d101a9$31ee80f0$95cb82d0$@samsung.com> <20151008092858.GA16100@cbox> <561641F5.4060202@arm.com> <009501d101c4$dde8e2e0$99baa8a0$@samsung.com> Message-ID: <20151008123630.GC20936@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Oct 08, 2015 at 03:28:40PM +0300, Pavel Fedin wrote: > Hello! > > > Well, compatibility with GICv2 is the biggest mistake we made when > > designing the GICv3 architecture. And that's why our emulation doesn't > > give a damn about v2 compatibility. > > Ok, i see your arguments, and after that it becomes a matter of personal taste. Three beat one, i > go your way. :) Don't know if i'll be able to roll out v5 tomorrow, but i think on monday i'll > definitely do. > There's no rush, I don't think this will make it into v4.4 anyhow, as we're already on -rc4 and there's a bunch of other stuff in flight, and I haven't configured a way to test these patches yet. Speaking of which, does the QEMU side of this patch set require first adding the GICv3 emulation for the data structures or is there a stand-alone migration patch set somewhere? -Christoffer