From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:34424)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1X9cFJ-0003DH-Ok
	for qemu-devel@nongnu.org; Tue, 22 Jul 2014 11:45:02 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1X9cFA-0002hp-K1
	for qemu-devel@nongnu.org; Tue, 22 Jul 2014 11:44:53 -0400
Received: from mail-we0-x235.google.com ([2a00:1450:400c:c03::235]:57282)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <paolo.bonzini@gmail.com>) id 1X9cFA-0002hb-EI
	for qemu-devel@nongnu.org; Tue, 22 Jul 2014 11:44:44 -0400
Received: by mail-we0-f181.google.com with SMTP id k48so8245918wev.40
	for <qemu-devel@nongnu.org>; Tue, 22 Jul 2014 08:44:43 -0700 (PDT)
Sender: Paolo Bonzini <paolo.bonzini@gmail.com>
Message-ID: <53CE86E6.9050704@redhat.com>
Date: Tue, 22 Jul 2014 17:44:38 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <53CE81AA.2040609@redhat.com>
	<690316639.20049989.1406042926107.JavaMail.root@openwide.fr>
In-Reply-To: <690316639.20049989.1406042926107.JavaMail.root@openwide.fr>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [RFC PATCH V4 0/6] icount: Implement delay
 algorithm between guest and host clocks
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: Sebastian Tanase <sebastian.tanase@openwide.fr>
Cc: kwolf@redhat.com, peter maydell <peter.maydell@linaro.org>, wenchaoqemu@gmail.com, quintela@redhat.com, alex@alex.org.uk, mst@redhat.com, stefanha@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com, michael@walle.cc, camille begue <camille.begue@openwide.fr>, aliguori@amazon.com, crobinso@redhat.com, lcapitulino@redhat.com, afaerber@suse.de, rth@twiddle.net

Il 22/07/2014 17:28, Sebastian Tanase ha scritto:
> When not using "-icount" everything is fine because QEMU_CLOCK_VIRTUAL 
> is based on the real clock and the offset; qemu_icount_bias  
> doesn't come into play. So the vm_clock_warp_start fix is only for the case 
> where we use "-icount".

I meant that with the fix the QEMU_CLOCK_VIRTUAL clock behaves the same
way (it is based at 0) with and without -icount.  This is why I think
the fix is correct.

Paolo