From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48617) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUmTd-00031a-Vn for qemu-devel@nongnu.org; Thu, 06 Dec 2018 00:45:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gUmTZ-0002tf-QT for qemu-devel@nongnu.org; Thu, 06 Dec 2018 00:45:33 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42780) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gUmTZ-0002se-Fx for qemu-devel@nongnu.org; Thu, 06 Dec 2018 00:45:29 -0500 From: Markus Armbruster References: <20181205203737.9011-1-marcandre.lureau@redhat.com> <20181205203737.9011-4-marcandre.lureau@redhat.com> Date: Thu, 06 Dec 2018 06:45:18 +0100 In-Reply-To: <20181205203737.9011-4-marcandre.lureau@redhat.com> (=?utf-8?Q?=22Marc-Andr=C3=A9?= Lureau"'s message of "Thu, 6 Dec 2018 00:37:33 +0400") Message-ID: <87o99zky35.fsf@dusky.pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH for-4.0 v4 3/7] char: add a QEMU_CHAR_FEATURE_GCONTEXT flag List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?utf-8?Q?Marc-Andr=C3=A9?= Lureau Cc: qemu-devel@nongnu.org, Li Zhijian , Jason Wang , Zhang Chen , peterx@redhat.com, "Dr. David Alan Gilbert" , Paolo Bonzini Marc-Andr=C3=A9 Lureau writes: > QEMU_CHAR_FEATURE_GCONTEXT declares the character device can switch > GMainContext. > > Assert we don't switch context when the character device doesn't > provide this feature. Character device users must not violate this > restriction. In particular, user configurations that violate them > must be rejected. > > Existing frontend that rely on context switching would now assert() if > the backend doesn't allow it (instead of silently producing undesired > events in the default context). Following patches improve the > situation by reporting an error earlier instead, on the frontend side. > > Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Markus Armbruster