From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vitaly Kuznetsov Subject: Re: [PATCH RFC 0/1] Introduce VCPUOP_reset_vcpu_info Date: Thu, 07 Aug 2014 13:54:56 +0200 Message-ID: <87mwbg4ir3.fsf@vitty.brq.redhat.com> References: <1407330502-18768-1-git-send-email-vkuznets@redhat.com> <53E253470200007800029C1D@mail.emea.novell.com> <53E253470200007800029C1D@mail.emea.novell.com> <87a97h64oy.fsf@vitty.brq.redhat.com> <53E269350200007800029D5A@mail.emea.novell.com> <53E269350200007800029D5A@mail.emea.novell.com> <87r40s4jdv.fsf@vitty.brq.redhat.com> <53E383B2020000780002A1E5@mail.emea.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XFMHi-0007ao-Gf for xen-devel@lists.xenproject.org; Thu, 07 Aug 2014 11:55:06 +0000 In-Reply-To: <53E383B2020000780002A1E5@mail.emea.novell.com> (Jan Beulich's message of "Thu, 07 Aug 2014 12:48:34 +0100") List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich Cc: xen-devel@lists.xenproject.org, Andrew Jones , David Vrabel , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org "Jan Beulich" writes: >>>> On 07.08.14 at 13:41, wrote: >> "Jan Beulich" writes: >>>>>> On 06.08.14 at 17:03, wrote: >>>> In xen their vcpu_info will point to dummy_vcpu_info (that's what we >>>> have there before VCPUOP_register_vcpu_info I guess). >>> >>> Right, but such a vCPU can't be brought up. Did you verify that >>> this holds with your additions? >> >> That's fine as new kernel will call VCPUOP_register_vcpu_info on >> bootup. > > But my question was targeting the hypervisor side, i.e. I was > asking that you get away from your "works fine in my limited use > case" way of thinking, and rather check that you don't subtly > break anything else. Thanks, that's fine, that's what the RFC is about. I'll definitely try looking deeper and I'll be grateful for some examples of what can actually go wrong. -- Vitaly