[REGRESSION 5.0.x] Windows XP broken on KVM

[Takashi Iwai]

Hi,

we've got a regression report on the recent 5.0.x kernel, starting
from 5.0.6, where Windows XP can't boot on KVM any longer.

The culprit seems to be the patch
   KVM: x86: update %rip after emulating IO
with the upstream commit 45def77ebf79e2e8942b89ed79294d97ce914fa0.
Reverting this alone fixed the problem.

The report is found at openSUSE bugzilla:
  https://bugzilla.suse.com/show_bug.cgi?id=1132694

Is there already a followup fix?  If not, we need to revert it from
stable, at least.


thanks,

Takashi