From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: kvm-kmod broken with user-return-notifiers Date: Thu, 29 Oct 2009 08:30:14 +0100 Message-ID: <4AE94486.7040403@web.de> References: <4AE8D984.3030906@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig55E43E72464AE0729DABD8B0" Cc: kvm@vger.kernel.org, Avi Kivity To: Zachary Amsden Return-path: Received: from fmmailgate02.web.de ([217.72.192.227]:48856 "EHLO fmmailgate02.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754701AbZJ2HaP (ORCPT ); Thu, 29 Oct 2009 03:30:15 -0400 In-Reply-To: <4AE8D984.3030906@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig55E43E72464AE0729DABD8B0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Zachary Amsden wrote: > With current upstream changes, VMX operation now relies on have the > user-notifiers infrastructure. This makes kvm-kmod use on older kernel= s > untenable. >=20 > I looked a bit at fixing the underlying problem by simulating the > user-return callback when we context switch, but it is uglier than I > would like. >=20 > Is anyone currently working on a fix? This is blocking my development > work, so if there is no action it looks like I will have to fix it myse= lf. You are welcome to test kvm-kmod next and also give feedback on the approach I applied. Jan PS: Just like Avi and Marcelo are posting their work-in-progress to the next branches of kvm.git and qemu-kvm.git, I will do the same with kvm-kmod. I'm just still struggling with the sometimes terrible update latency of korg's public git. --------------enig55E43E72464AE0729DABD8B0 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 iEYEARECAAYFAkrpRIoACgkQitSsb3rl5xQ7dgCgz3wdk7y17VSke+AaznVtfFbj UXkAoL96fUOA22kRfQGVBssIiUrFIJgw =UY38 -----END PGP SIGNATURE----- --------------enig55E43E72464AE0729DABD8B0--