From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Nelq4-0000OW-4i for qemu-devel@nongnu.org; Tue, 09 Feb 2010 03:52:56 -0500 Received: from [199.232.76.173] (port=42564 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Nelq3-0000OO-OU for qemu-devel@nongnu.org; Tue, 09 Feb 2010 03:52:55 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1Nelq2-0000sT-F4 for qemu-devel@nongnu.org; Tue, 09 Feb 2010 03:52:55 -0500 Received: from fmmailgate01.web.de ([217.72.192.221]:53701) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Nelq2-0000r3-4V for qemu-devel@nongnu.org; Tue, 09 Feb 2010 03:52:54 -0500 Message-ID: <4B712249.4020703@web.de> Date: Tue, 09 Feb 2010 09:52:25 +0100 From: Jan Kiszka MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: KVM call agenda for Feb 9 References: <20100209012851.GJ25751@x200.localdomain> <4B710714.1020109@redhat.com> <02FDE8B6-CCC9-4EA5-B7EB-6EFC6497C268@suse.de> In-Reply-To: <02FDE8B6-CCC9-4EA5-B7EB-6EFC6497C268@suse.de> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigC994524602DDFC05AC528849" Sender: jan.kiszka@web.de List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: Chris Wright , Avi Kivity , kvm@vger.kernel.org, qemu-devel@nongnu.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigC994524602DDFC05AC528849 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Alexander Graf wrote: > On 09.02.2010, at 07:56, Avi Kivity wrote: >> - rcuify/fine-grain qemu locks >=20 > And this should be done either way, but is probably not a short-term go= al. >=20 Indeed. We won't get around this longterm as it is a scalability bottleneck and a killer for RT guest load. We can't push everything into the kernel. Qemu needs a smart plan how to gradually convert its CPU and device model to fine-grained locking. Jan --------------enigC994524602DDFC05AC528849 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iEYEARECAAYFAktxIkkACgkQitSsb3rl5xQGJACgowlRx8AR24nVi2D+gAHVEMQS idcAnjh9SGXEzlwg3/pa9oz4hhas97qo =7Vj0 -----END PGP SIGNATURE----- --------------enigC994524602DDFC05AC528849--