From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49761) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1etYA1-0007Q4-5g for qemu-devel@nongnu.org; Wed, 07 Mar 2018 07:27:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1etY9y-0007t2-0u for qemu-devel@nongnu.org; Wed, 07 Mar 2018 07:27:09 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:46780 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1etY9x-0007s1-RM for qemu-devel@nongnu.org; Wed, 07 Mar 2018 07:27:05 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 86775401CC42 for ; Wed, 7 Mar 2018 12:27:01 +0000 (UTC) Date: Wed, 7 Mar 2018 12:26:49 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Message-ID: <20180307122649.GX20201@redhat.com> Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= References: <20180306053320.15401-1-peterx@redhat.com> <20180306053320.15401-4-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20180306053320.15401-4-peterx@redhat.com> Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH v2 3/9] chardev: update net listener gcontext List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Xu Cc: qemu-devel@nongnu.org, Paolo Bonzini , Stefan Hajnoczi , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau On Tue, Mar 06, 2018 at 01:33:14PM +0800, Peter Xu wrote: > TCP chardevs can be using QIO network listeners working in the > background when in listening mode. However the network listeners are > always running in main context. This can race with chardevs that are > running in non-main contexts. >=20 > To solve this, we need to re-setup the net listeners in > tcp_chr_update_read_handler() with the newly cached gcontext. >=20 > Reviewed-by: Marc-Andr=C3=A9 Lureau > Signed-off-by: Peter Xu > --- > chardev/char-socket.c | 26 ++++++++++++++++++++------ > 1 file changed, 20 insertions(+), 6 deletions(-) Reviewed-by: Daniel P. Berrang=C3=A9 Regards, Daniel --=20 |: https://berrange.com -o- https://www.flickr.com/photos/dberran= ge :| |: https://libvirt.org -o- https://fstop138.berrange.c= om :| |: https://entangle-photo.org -o- https://www.instagram.com/dberran= ge :|