From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=36762 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ONkvn-0008F8-Ta for qemu-devel@nongnu.org; Sun, 13 Jun 2010 07:00:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1ONklA-0001cg-CI for qemu-devel@nongnu.org; Sun, 13 Jun 2010 06:49:49 -0400 Received: from hall.aurel32.net ([88.191.82.174]:51494) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1ONklA-0001bq-7w for qemu-devel@nongnu.org; Sun, 13 Jun 2010 06:49:48 -0400 Date: Sun, 13 Jun 2010 12:49:40 +0200 From: Aurelien Jarno Subject: Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions that are installed. Message-ID: <20100613104940.GA30341@volta.aurel32.net> References: <1275678883-7082-1-git-send-email-rth@twiddle.net> <1275678883-7082-16-git-send-email-rth@twiddle.net> <20100610102815.GM26968@volta.aurel32.net> <4C1164ED.7020403@twiddle.net> <20100611080634.GP26968@volta.aurel32.net> <4C12368D.3050807@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <4C12368D.3050807@twiddle.net> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: qemu-devel@nongnu.org, agraf@suse.de On Fri, Jun 11, 2010 at 06:13:49AM -0700, Richard Henderson wrote: > On 06/11/2010 01:06 AM, Aurelien Jarno wrote: > >> That said, all the hardware to which either I or agraf have access are the latest > >> z10 machines. Frankly I expect that to be true of most if not all machines, since > >> I think it's just a microcode update which everyone with an active support contract > >> can get. > >> > > > > FYI, that's the /proc/cpuinfo of s390 machines I have (more or less) > > access: > > > > features : esan3 zarch msa ldisp > > features : esan3 zarch stfle msa ldisp eimm dfp > > features : esan3 zarch stfle msa ldisp eimm dfp etf3eh highgprs > > Interesting that your first one doesn't have stfle. That one will have to > go through the SIGILL path. I would be very interested to have you test > that code path. I have tried, it correctly detects zarch and ldisp. > Also, what era is that second machine without highgprs? Is it running an > old kernel, or a 32-bit kernel? > I have very few infos about it, it's an IBM System z10 machine running a 64-bit 2.6.26 kernel. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurelien@aurel32.net http://www.aurel32.net