From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Ncpg1-0006w1-JE for qemu-devel@nongnu.org; Wed, 03 Feb 2010 19:34:33 -0500 Received: from [199.232.76.173] (port=33274 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ncpg1-0006vj-6L for qemu-devel@nongnu.org; Wed, 03 Feb 2010 19:34:33 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1Ncpfq-0001GR-9j for qemu-devel@nongnu.org; Wed, 03 Feb 2010 19:34:32 -0500 Received: from mx20.gnu.org ([199.232.41.8]:56691) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Ncpfp-0001ET-RV for qemu-devel@nongnu.org; Wed, 03 Feb 2010 19:34:22 -0500 Received: from fmmailgate01.web.de ([217.72.192.221]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NcpfS-0005Zv-M0 for qemu-devel@nongnu.org; Wed, 03 Feb 2010 19:33:59 -0500 Message-ID: <4B6A15EE.4050501@web.de> Date: Thu, 04 Feb 2010 01:33:50 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <372238c800e0d57815f472502fdf78e53463bbb6.1265232579.git.jan.kiszka@siemens.com> <20100203234929.GA11012@amt.cnet> In-Reply-To: <20100203234929.GA11012@amt.cnet> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigAC2C495F637C65A18E4C597F" Sender: jan.kiszka@web.de Subject: [Qemu-devel] Re: [PATCH 4/4] KVM: Rework of guest debug state writing List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Marcelo Tosatti Cc: Anthony Liguori , qemu-devel@nongnu.org, kvm@vger.kernel.org, Avi Kivity This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigAC2C495F637C65A18E4C597F Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Marcelo Tosatti wrote: > On Wed, Feb 03, 2010 at 10:29:45PM +0100, Jan Kiszka wrote: >> So far we synchronized any dirty VCPU state back into the kernel befor= e >> updating the guest debug state. This was a tribute to a deficit in x86= >> kernels before 2.6.33. But as this is an arch-dependent issue, it is >> better handle in the x86 part of KVM and remove the writeback point fo= r >> generic code. >=20 > Jan, >=20 > This patch breaks migration. Can you elaborate what you did? I can't reproduce, and I do not see any conceptual issue (given that guest debugging conflicts with migration anyway). Jan --------------enigAC2C495F637C65A18E4C597F 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 iEYEARECAAYFAktqFfMACgkQitSsb3rl5xQGOwCfZ0+nq4q8AZbuaKThyfq6cT/n 6dYAoLm099ISqStt97N3AxIf4WdUFPxd =D1eA -----END PGP SIGNATURE----- --------------enigAC2C495F637C65A18E4C597F--