From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=38816 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1ON47D-0004Sp-L7
	for qemu-devel@nongnu.org; Fri, 11 Jun 2010 09:17:46 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69)
	(envelope-from <rth7680@gmail.com>) id 1ON43q-0005v0-0U
	for qemu-devel@nongnu.org; Fri, 11 Jun 2010 09:14:14 -0400
Received: from mail-vw0-f45.google.com ([209.85.212.45]:35881)
	by eggs.gnu.org with esmtp (Exim 4.69)
	(envelope-from <rth7680@gmail.com>) id 1ON43p-0005up-U6
	for qemu-devel@nongnu.org; Fri, 11 Jun 2010 09:14:13 -0400
Received: by vws12 with SMTP id 12so1120718vws.4
	for <qemu-devel@nongnu.org>; Fri, 11 Jun 2010 06:14:13 -0700 (PDT)
Sender: Richard Henderson <rth7680@gmail.com>
Message-ID: <4C12368D.3050807@twiddle.net>
Date: Fri, 11 Jun 2010 06:13:49 -0700
From: Richard Henderson <rth@twiddle.net>
MIME-Version: 1.0
Subject: Re: [Qemu-devel] [PATCH 15/35] tcg-s390: Query instruction extensions
	that are installed.
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>
In-Reply-To: <20100611080634.GP26968@volta.aurel32.net>
Content-Type: text/plain; charset=ISO-8859-15
Content-Transfer-Encoding: 7bit
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: qemu-devel@nongnu.org, agraf@suse.de

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.

Also, what era is that second machine without highgprs?  Is it running an
old kernel, or a 32-bit kernel?


r~