From: Juan Quintela <quintela@redhat.com>
To: Orit Wasserman <owasserm@redhat.com>
Cc: aliguori@us.ibm.com, ehabkost@redhat.com, gleb@redhat.com,
mtosatti@redhat.com, qemu-devel@nongnu.org, pbonzini@redhat.com,
afaerber@suse.de
Subject: Re: [Qemu-devel] [PATCH v2 0/2] Fix real mode guest live migration
Date: Mon, 22 Jul 2013 17:53:48 +0200 [thread overview]
Message-ID: <87ppuar3oz.fsf@elfo.elfo> (raw)
In-Reply-To: <1374491654-21257-1-git-send-email-owasserm@redhat.com> (Orit Wasserman's message of "Mon, 22 Jul 2013 14:14:12 +0300")
Orit Wasserman <owasserm@redhat.com> wrote:
> Older KVM versions save CS dpl value to an invalid value for real mode guests
> (0x3). This caused migration to fail from older KVM on host without unrestricted guest to hosts with restricted guest support with "kvm: unhandled exit 80000021".
> For example migration from a Penryn host (with kernel 2.6.32) to
> a Westmere host (for real mode guest)
>
> This series fixing it both in the destination and source QEMU.
>
> Changes from v1:
> Fix typos and style
>
> Orit Wasserman (2):
> Fix real mode guest migration
> Fix real mode guest segments dpl value in savevm
>
> target-i386/machine.c | 36 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
Reviewed-by: Juan Quintela <quintela@redhat.com>
prev parent reply other threads:[~2013-07-22 17:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 11:14 [Qemu-devel] [PATCH v2 0/2] Fix real mode guest live migration Orit Wasserman
2013-07-22 11:14 ` [Qemu-devel] [PATCH v2 1/2] Fix real mode guest migration Orit Wasserman
2013-07-22 11:14 ` [Qemu-devel] [PATCH v2 2/2] Fix real mode guest segments dpl value in savevm Orit Wasserman
2013-07-22 15:53 ` Juan Quintela [this message]
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