KVM: Don't allow lmsw to clear cr0.pe

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The current lmsw implementation allows the guest to clear cr0.pe, contrary
to the manual, which breaks EMM386.EXE.

Fix by ORing the old cr0.pe with lmsw's operand.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

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Avi Kivity 2010-05-12 00:28:44 +03:00

parent 09c9e81366

commit f78e917688

1 changed files with 1 additions and 1 deletions

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arch/x86/kvm/x86.c

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