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From: | Juan Quintela |
Subject: | Re: [Qemu-devel] [PATCH v2 0/2] Fix real mode guest live migration |
Date: | Mon, 22 Jul 2013 17:53:48 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux) |
Orit Wasserman <address@hidden> 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 <address@hidden>
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