From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=42367 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PFmr9-0002Ze-V7 for qemu-devel@nongnu.org; Tue, 09 Nov 2010 06:59:23 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PFmiQ-0000xR-R3 for qemu-devel@nongnu.org; Tue, 09 Nov 2010 06:51:53 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56505) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PFmiQ-0000xK-GC for qemu-devel@nongnu.org; Tue, 09 Nov 2010 06:50:18 -0500 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id oA9BoHIQ025107 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 9 Nov 2010 06:50:17 -0500 Message-ID: <4CD93573.7040009@redhat.com> Date: Tue, 09 Nov 2010 12:50:11 +0100 From: Gerd Hoffmann MIME-Version: 1.0 References: <1288623114-14439-1-git-send-email-kraxel@redhat.com> <20101108174752.GC8498@redhat.com> <4CD91661.6030102@redhat.com> <20101109113453.GA22705@redhat.com> In-Reply-To: <20101109113453.GA22705@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH] add VMSTATE_BOOL List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: qemu-devel@nongnu.org Hi, >>>> +static int get_bool(QEMUFile *f, void *pv, size_t size) >>>> +{ >>>> + bool *v = pv; >>>> + *v = qemu_get_byte(f); >>>> + return 0; > I think we should verify that value is 0 or 1 and fail > migration otherwise, to make it more robust. I still think such a check doesn't belong into the migration code as such a bug would exist without migration too. And if anything we should check on save not on load, otherwise qemu can write out savevm images which it will refuse to load. I wouldn't call this "robust". cheers, Gerd