From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:38516)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <joel.holdsworth@vcatechnology.com>)
	id 1bF5PJ-00044O-HN
	for qemu-devel@nongnu.org; Mon, 20 Jun 2016 16:02:54 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <joel.holdsworth@vcatechnology.com>)
	id 1bF5PE-0000N4-Je
	for qemu-devel@nongnu.org; Mon, 20 Jun 2016 16:02:53 -0400
Received: from mail-io0-x235.google.com ([2607:f8b0:4001:c06::235]:35317)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <joel.holdsworth@vcatechnology.com>)
	id 1bF5PE-0000MX-Fc
	for qemu-devel@nongnu.org; Mon, 20 Jun 2016 16:02:48 -0400
Received: by mail-io0-x235.google.com with SMTP id f30so132149582ioj.2
	for <qemu-devel@nongnu.org>; Mon, 20 Jun 2016 13:02:48 -0700 (PDT)
References: <1465932382-28645-1-git-send-email-joel.holdsworth@vcatechnology.com>
	<1465932382-28645-5-git-send-email-joel.holdsworth@vcatechnology.com>
	<5171a346-0b65-7f98-57a3-1a7e8088ac9e@vivier.eu>
From: Joel Holdsworth <joel.holdsworth@vcatechnology.com>
Message-ID: <57684BE6.6020405@vcatechnology.com>
Date: Mon, 20 Jun 2016 21:02:46 +0100
MIME-Version: 1.0
In-Reply-To: <5171a346-0b65-7f98-57a3-1a7e8088ac9e@vivier.eu>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH v2 4/4] linux-user: pass strace argument in
 execve
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/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: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Laurent Vivier <laurent@vivier.eu>, qemu-devel@nongnu.org
Cc: riku.voipio@iki.fi, Vasileios.Kalintiris@imgtec.com

On 15/06/16 21:37, Laurent Vivier wrote:
> This is not needed: if you use QEMU_STRACE environment variable, it is
> propagated to the child processes (this is also true for "-L" and
> QEMU_LD_PREFIX).
I would say that breaks the rule of least surprise for the user. If 
we're going to invoke a child instance of qemu-user, then I think the 
user would expect us to propage the arguments from the parent.

>
> In fact, your patch 2 breaks this...
Ok - my mistake. I will test it.


> Did you try to use a statically linked qemu?
See my comments in patch #2.