From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37182) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UyzmQ-0000Ci-Bj for qemu-devel@nongnu.org; Tue, 16 Jul 2013 03:34:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UyzmP-0001R4-Gk for qemu-devel@nongnu.org; Tue, 16 Jul 2013 03:34:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:14729) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UyzmP-0001Qx-9C for qemu-devel@nongnu.org; Tue, 16 Jul 2013 03:34:37 -0400 Message-ID: <51E4F77C.2090509@redhat.com> Date: Tue, 16 Jul 2013 09:34:20 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1373127897-3445-1-git-send-email-alex@alex.org.uk> <51E4063D.6010308@redhat.com> <75638CBA408455BF52192DA7@Ximines.local> <51E4613D.9000106@redhat.com> <44590808AF4A6E7DC093637A@nimrod.local> <51E4E54A.10908@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] [RFC] aio/async: Add timed bottom-halves List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alex Bligh Cc: Kevin Wolf , Anthony Liguori , qemu-devel@nongnu.org, Stefan Hajnoczi , rth@twiddle.net Il 16/07/2013 09:30, Alex Bligh ha scritto: > >> You did. But aio_wait() ignores the timeout. It is only used by the >> main loop. > > OK well that seems worth fixing in any case, as even without timed bh's > that means no bh can be executed for an indeterminate time. I'll have > a look at that. No, BHs work because they do aio_notify(). Idle BHs can be skipped for an indeterminate time, but that's fine because idle BHs are a hack that we should not need at all. Paolo