From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH v3 0/2] kvm: arm/arm64: Fixes for race conditions Date: Tue, 16 May 2017 15:29:04 +0200 Message-ID: <20170516132904.GD5259@cbox> References: <1494927295-29369-1-git-send-email-suzuki.poulose@arm.com> <20170516095318.GA5259@cbox> <2b4cd91d-6d0f-3614-faa8-1ebe58bf1313@arm.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 00B5040962 for ; Tue, 16 May 2017 09:25:48 -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 BMLksKXj4Chw for ; Tue, 16 May 2017 09:25:46 -0400 (EDT) Received: from mail-qk0-f173.google.com (mail-qk0-f173.google.com [209.85.220.173]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id B46E940296 for ; Tue, 16 May 2017 09:25:46 -0400 (EDT) Received: by mail-qk0-f173.google.com with SMTP id u75so128747503qka.3 for ; Tue, 16 May 2017 06:29:14 -0700 (PDT) Content-Disposition: inline In-Reply-To: <2b4cd91d-6d0f-3614-faa8-1ebe58bf1313@arm.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: Suzuki K Poulose Cc: kvm@vger.kernel.org, marc.zyngier@arm.com, andreyknvl@google.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu List-Id: kvmarm@lists.cs.columbia.edu On Tue, May 16, 2017 at 11:01:54AM +0100, Suzuki K Poulose wrote: > On 16/05/17 10:53, Christoffer Dall wrote: > >On Tue, May 16, 2017 at 10:34:53AM +0100, Suzuki K Poulose wrote: > >>The patches fixes race conditions in stage2 pgd accesses. > >> > >>Patch 1 is a fix up for the patch which has already been pushed to > >>kvmarm/master. > >> > >>Patch 2 fixes a case where stage2 PGD could be free'd when we release > >>the kvm->mmu_lock to prevent VCPU starvation. > >> > >>Applies on kvmarm/master tree > > > >Thanks for the rebase and fix. > > > >Applied to master, and for both patches:: > > > >Reviewed-by: Christoffer Dall > > > > Thanks, I think these fixes needs to go to stable as well. I will wait for > these to hit mainline and then send a back port. Agreed, I already added the cc to stable when applying them, so I think you'll see the report from the stable folks for the parts that don't apply and can do the backport then. Thanks, -Christoffer