From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39393) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e2d41-0006RJ-Bd for qemu-devel@nongnu.org; Thu, 12 Oct 2017 08:58:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e2d3w-0006vo-H8 for qemu-devel@nongnu.org; Thu, 12 Oct 2017 08:58:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52838) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e2d3w-0006vd-Bq for qemu-devel@nongnu.org; Thu, 12 Oct 2017 08:58:08 -0400 Date: Thu, 12 Oct 2017 13:57:55 +0100 From: Stefan Hajnoczi Message-ID: <20171012125755.GH5957@stefanha-x1.localdomain> References: <20170929033844.26935-1-peterx@redhat.com> <20170929033844.26935-17-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170929033844.26935-17-peterx@redhat.com> Subject: Re: [Qemu-devel] [RFC v2 16/22] monitor: enable IO thread for (qmp & !mux) typed List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Xu Cc: qemu-devel@nongnu.org, Paolo Bonzini , "Daniel P . Berrange" , Stefan Hajnoczi , Fam Zheng , Juan Quintela , mdroth@linux.vnet.ibm.com, Eric Blake , Laurent Vivier , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Markus Armbruster , "Dr . David Alan Gilbert" On Fri, Sep 29, 2017 at 11:38:38AM +0800, Peter Xu wrote: > Start to use dedicate IO thread for QMP monitors that are not using > MUXed chardev. > > We excluded MUXed chardev because when mux is used, frontend can be the > monitor plus something else. The only thing we know would be safe to be > run outside main thread is the monitor frontend, all the rest of the > frontends should still be run in main thread only. Please move this explanation into a comment so it's immediately visible when reading the code.