Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758384AbaDIKVH (ORCPT ); Wed, 9 Apr 2014 06:21:07 -0400 Received: from nat28.tlf.novell.com ([130.57.49.28]:60280 "EHLO nat28.tlf.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750784AbaDIKVG convert rfc822-to-8bit (ORCPT ); Wed, 9 Apr 2014 06:21:06 -0400 Message-Id: <53453B2F0200007800007119@nat28.tlf.novell.com> X-Mailer: Novell GroupWise Internet Agent 14.0.0 Date: Wed, 09 Apr 2014 11:21:03 +0100 From: "Jan Beulich" To: "Konrad Rzeszutek Wilk" Cc: , , , , , Subject: Re: [LINUX PATCH 2/2] xen/pvhvm: Support more than 32 VCPUs when migrating. References: <201404091015.s39AFQAu022348@aserz7021.oracle.com> In-Reply-To: <201404091015.s39AFQAu022348@aserz7021.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> On 09.04.14 at 12:15, wrote: > On Apr 9, 2014 4:03 AM, Jan Beulich wrote: >> >> >>> On 08.04.14 at 19:25, wrote: >> > + /* Only Xen 4.5 and higher supports this. */ >> > + if (HYPERVISOR_vcpu_op(VCPUOP_is_up, smp_processor_id(), NULL) == > -ENOSYS) >> > + vcpuops = false; >> >> Did you mean to say "for HVM guests" in the comment? And of >> course the comment could quickly become stale if we backported >> the Xen side change to e.g. 4.4.1. >> > > Right. But I thought that features like that (new hypercalls) wasn't > applicable for backporting? It's not really a new hypercall, and fixing a problem, so I'd consider it a candidate at least for 4.4.1. Jan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/