From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44487) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bIGrE-0004lZ-Mb for qemu-devel@nongnu.org; Wed, 29 Jun 2016 10:52:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bIGr9-0005XR-Ol for qemu-devel@nongnu.org; Wed, 29 Jun 2016 10:52:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47094) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bIGr9-0005XM-Ih for qemu-devel@nongnu.org; Wed, 29 Jun 2016 10:52:47 -0400 References: <1467202624-72941-1-git-send-email-cornelia.huck@de.ibm.com> <20160629161546.21a2e268.cornelia.huck@de.ibm.com> From: Paolo Bonzini Message-ID: <11c9c101-c609-e577-8968-0dc9d0a92ad8@redhat.com> Date: Wed, 29 Jun 2016 16:52:40 +0200 MIME-Version: 1.0 In-Reply-To: <20160629161546.21a2e268.cornelia.huck@de.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] virtio: Fix setting up host notifiers for vhost List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cornelia Huck , =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= Cc: QEMU , "Michael S. Tsirkin" , Fam Zheng , Stefan Hajnoczi , Jason Wang , pl@kamp.de On 29/06/2016 16:15, Cornelia Huck wrote: > > I can see that one of the qemus sits on event_notifier_test_and_clear > when vhost tries to shut down. (I am thoroughly confused by all of > that qtest setup, so I have no idea which qemu instance this is...) Stupid question ahead---if you mean QEMU is sitting in a blocking read, isn't event_notifier_test_and_clear supposed to be non-blocking? Paolo