From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55848) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuHtc-0003Le-HK for qemu-devel@nongnu.org; Mon, 18 May 2015 06:03:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YuHtY-0002k7-NI for qemu-devel@nongnu.org; Mon, 18 May 2015 06:03:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33106) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuHtY-0002jb-I2 for qemu-devel@nongnu.org; Mon, 18 May 2015 06:03:36 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 7B9D4AC7AB for ; Mon, 18 May 2015 09:57:11 +0000 (UTC) Date: Mon, 18 May 2015 10:57:07 +0100 From: Stefan Hajnoczi Message-ID: <20150518095707.GB2679@stefanha-thinkpad.redhat.com> References: <1431470173-30847-1-git-send-email-jsnow@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UHN/qo2QbUvPLonB" Content-Disposition: inline In-Reply-To: <1431470173-30847-1-git-send-email-jsnow@redhat.com> Subject: Re: [Qemu-devel] [PATCH 0/1] ahci: do not remap clb/fis unconditionally List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: John Snow Cc: pbonzini@redhat.com, qemu-devel@nongnu.org --UHN/qo2QbUvPLonB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 12, 2015 at 06:36:12PM -0400, John Snow wrote: > This continues the IOMMU fix from 2.3, where we should not attempt > to remap the CLB or FIS RX buffers if the AHCI device is currently > running. >=20 > The same applies to migration: keep our mitts off these registers > unless the device is supposed to be on. >=20 > Does not impact backwards compatibility for the AHCI device. >=20 > =3D=3D > For convenience, this branch is available at: > https://github.com/jnsnow/qemu.git branch ahci-iommu > https://github.com/jnsnow/qemu/tree/ahci-iommu >=20 > This version is tagged ahci-iommu-v1: > https://github.com/jnsnow/qemu/releases/tag/ahci-iommu-v1 > =3D=3D >=20 > John Snow (1): > ahci: do not remap clb/fis unconditionally >=20 > hw/ide/ahci.c | 88 ++++++++++++++++++++++++++++++++++++++++++-----------= ------ > 1 file changed, 63 insertions(+), 25 deletions(-) >=20 > --=20 > 2.1.0 >=20 Reviewed-by: Stefan Hajnoczi --UHN/qo2QbUvPLonB Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJVWbdzAAoJEJykq7OBq3PIuw8H/3iSjng179g3x7emwIUWuafN MeSFK6tb3csSCyiUDi8l8pjYEItKFxIO4yEGrYGz+lgem1bmTYOCaznufDnbgjzL QAt383ArF62GiL4NsJ7UHz5kiUgm1kWkV/1DJMub7X2Lx/zrGx89WPFlp9JApM05 bA6v195GRB8DX6WOc+pL4siTpfQakOhU/76RzEfp0yVuKpuIrkE8wOXQWY5GUzGo Q72KpayQHxnAjOi2O2sh1sZYYtGuB3dUEAyvPgbkhN96oZstYl89oaHiLa1KEmd5 PqasVHlcdCbVW5FUtuvXExJJaOTT+7iETpYTHky9zlWMJVDgqtxx+S0K2BCo1zE= =aT7w -----END PGP SIGNATURE----- --UHN/qo2QbUvPLonB--