From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:53019)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1XefiS-000426-4n
	for qemu-devel@nongnu.org; Thu, 16 Oct 2014 03:43:24 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1XefiN-0004ED-BY
	for qemu-devel@nongnu.org; Thu, 16 Oct 2014 03:43:20 -0400
Received: from mx1.redhat.com ([209.132.183.28]:11714)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1XefiN-0004E5-4I
	for qemu-devel@nongnu.org; Thu, 16 Oct 2014 03:43:15 -0400
Received: from int-mx14.intmail.prod.int.phx2.redhat.com
	(int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27])
	by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s9G7hEQm024307
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256
	verify=FAIL)
	for <qemu-devel@nongnu.org>; Thu, 16 Oct 2014 03:43:14 -0400
Message-ID: <543F770F.1040503@redhat.com>
Date: Thu, 16 Oct 2014 09:43:11 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <1413359145-24627-1-git-send-email-pbonzini@redhat.com>
	<20141015151900.65180fb9@igors-macbook-pro.local>
In-Reply-To: <20141015151900.65180fb9@igors-macbook-pro.local>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH v2] target-i386: move generic memory
 hotplug methods to DSDTs
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: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-devel@nongnu.org, mst@redhat.com

Il 15/10/2014 15:19, Igor Mammedov ha scritto:
> however I'm not sure that SSDT byte-for-byte compatible will make
> things better.
> Since SSDT includes snippets of AML compiled by IASL, hex-templates
> could be different depending on IASL version.

SSDT is simple enough that there shouldn't be differences.  If this were
a problem, we could unconditionally use .hex.generated files or move the
generation entirely to C, similar to what we do for bridges and what
SeaBIOS used to do.

Paolo

> Ultimately
> that would make us to keep versioned by machine type binary templates
> so that we could guaranty byte-to-byte identity.
> 
> Perhaps we should reconsider and think one more time about
> http://lists.gnu.org/archive/html/qemu-stable/2014-07/msg00205.html
> 
> which solves migration size issue and doesn't tie us to maintanance
> nightmare with versioned tables. I'd preffer to keep tables
> un-versioned as long as possible.