From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45500) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duDC6-0004eb-9e for qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:43:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1duDC2-0007FD-3h for qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:43:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33812) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1duDC1-0007Ei-Tn for qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:43:42 -0400 References: <20170707142138.411-1-pbutsykin@virtuozzo.com> <55a8a300-2247-dadb-40b3-0c1d4e651e08@redhat.com> <61dd88c7-3f8c-471b-b33c-61aa2b09f981@virtuozzo.com> From: Paolo Bonzini Message-ID: <3b59ad03-fb7f-704c-9f2b-ed2ee9cd2b30@redhat.com> Date: Tue, 19 Sep 2017 09:43:32 +0200 MIME-Version: 1.0 In-Reply-To: <61dd88c7-3f8c-471b-b33c-61aa2b09f981@virtuozzo.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] virtio-serial: add enable_backend callback List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Pavel Butsykin , qemu-devel@nongnu.org Cc: mst@redhat.com, dgilbert@redhat.com, amit@kernel.org, den@openvz.org On 18/09/2017 11:37, Pavel Butsykin wrote: >>> >> >> To understand the patch better this doesn't fix _all_ stopped states, >> only migration, right? That said it's a valid bugfix even independent >> of the effects for stopped runstate. > Yes, the bug only appears on the migration. Actually, to protect memory > during the migration, this approach is already used for other virtio > devices, for example net_vhost, see virtio_net_vhost_status(). Cool, can you rebase? Paolo