Received: from eggs.gnu.org ([2001:4830:134:3::10]:51680) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnJB5-0006Ai-HC for qemu-devel@nongnu.org; Thu, 31 Aug 2017 02:42:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dnJB2-0005y2-FT for qemu-devel@nongnu.org; Thu, 31 Aug 2017 02:42:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40198) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dnJB2-0005xc-8k for qemu-devel@nongnu.org; Thu, 31 Aug 2017 02:42:08 -0400 Date: Thu, 31 Aug 2017 08:42:00 +0200 From: Cornelia Huck Message-ID: <20170831084200.359bd5c7.cohuck@redhat.com> In-Reply-To: <8a7e8d96-0d32-97cd-0e5a-335aff4d9d39@redhat.com> References: <20170830170601.15855-1-david@redhat.com> <20170830170601.15855-9-david@redhat.com> <8a7e8d96-0d32-97cd-0e5a-335aff4d9d39@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v1 08/11] s390x: allow only 1 CPU with TCG List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Thomas Huth Cc: David Hildenbrand , qemu-devel@nongnu.org, Richard Henderson , Aurelien Jarno , Alexander Graf On Wed, 30 Aug 2017 21:06:55 +0200 Thomas Huth wrote: > On 30.08.2017 19:05, David Hildenbrand wrote: > > Specifying more than 1 CPU (e.g. -smp 5) leads to SIGP errors (the > > guest tries to bring these CPUs up but fails), because we don't support > > multiple CPUs on s390x under TCG. > > > > Let's bail out if more than 1 are specified, so we don't raise people's > > hope. > > Aurelien recently posted a patch to add that basic SIGP support: > > https://patchwork.kernel.org/patch/9717489/ > > I think it would make more sense to get that included instead. I'd look at it if it were reposted :)