From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH v4 00/10] ARM: KVM: Support for vgic-v3 Date: Thu, 15 Sep 2016 11:13:34 +0200 Message-ID: <20160915091334.GB23629@cbox> References: <1473691764-29424-1-git-send-email-vladimir.murzin@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 BEC1949B68 for ; Thu, 15 Sep 2016 05:02:11 -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 R1cOznJo+pxT for ; Thu, 15 Sep 2016 05:02:10 -0400 (EDT) Received: from mail-wm0-f41.google.com (mail-wm0-f41.google.com [74.125.82.41]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 486D549B67 for ; Thu, 15 Sep 2016 05:02:09 -0400 (EDT) Received: by mail-wm0-f41.google.com with SMTP id 1so79865223wmz.1 for ; Thu, 15 Sep 2016 02:10:57 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1473691764-29424-1-git-send-email-vladimir.murzin@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: Vladimir Murzin Cc: marc.zyngier@arm.com, andre.przywara@arm.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org List-Id: kvmarm@lists.cs.columbia.edu Hi Valdimir, On Mon, Sep 12, 2016 at 03:49:14PM +0100, Vladimir Murzin wrote: > Hi, > > This is an attempt to make use vgic-v3 under arch/arm since > save-restore functionality got re-written in C and can be shared > between arm/arm64 like it has already been done for vgic-v2 and timer. > > With this patches I'm able to get 32 core an AArch32 ARMv8 guest boot: > > ... > GICv3: CPU31: found redistributor 703 region 0:0x000000003ffd0000 > CPU31: thread -1, cpu 3, socket 7, mpidr 80000703 > Brought up 32 CPUs > SMP: Total of 32 processors activated (768.00 BogoMIPS). > CPU: All CPU(s) started in SVC mode. > ... > > Additionally, quite lightweight test based on Self IPI guest test[1] > has been run with up to 255 cpus. > I have applied this to kvmarm/queue, fixing up a few trivial conflicts, and I have changed the kvm_info message. If you could test the integrated branch with GICv3 on a 32-bit platform, that would be great. I'll give people a few days to give their acks to the non-KVM part of the series and will then put it in next. Thanks for the work, -Christoffer From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Thu, 15 Sep 2016 11:13:34 +0200 Subject: [PATCH v4 00/10] ARM: KVM: Support for vgic-v3 In-Reply-To: <1473691764-29424-1-git-send-email-vladimir.murzin@arm.com> References: <1473691764-29424-1-git-send-email-vladimir.murzin@arm.com> Message-ID: <20160915091334.GB23629@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Valdimir, On Mon, Sep 12, 2016 at 03:49:14PM +0100, Vladimir Murzin wrote: > Hi, > > This is an attempt to make use vgic-v3 under arch/arm since > save-restore functionality got re-written in C and can be shared > between arm/arm64 like it has already been done for vgic-v2 and timer. > > With this patches I'm able to get 32 core an AArch32 ARMv8 guest boot: > > ... > GICv3: CPU31: found redistributor 703 region 0:0x000000003ffd0000 > CPU31: thread -1, cpu 3, socket 7, mpidr 80000703 > Brought up 32 CPUs > SMP: Total of 32 processors activated (768.00 BogoMIPS). > CPU: All CPU(s) started in SVC mode. > ... > > Additionally, quite lightweight test based on Self IPI guest test[1] > has been run with up to 255 cpus. > I have applied this to kvmarm/queue, fixing up a few trivial conflicts, and I have changed the kvm_info message. If you could test the integrated branch with GICv3 on a 32-bit platform, that would be great. I'll give people a few days to give their acks to the non-KVM part of the series and will then put it in next. Thanks for the work, -Christoffer