According to my Intel manual, although lmsw only causes an exit when
trying to set the bottom 4 bits, it is supposed to set the bottom 16
bits of cr0.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
diff -r f06a5d7dc984 drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c Wed Jul 25 13:05:14 2007 +1000
+++ b/drivers/kvm/kvm_main.c Wed Jul 25 13:15:24 2007 +1000
@@ -526,7 +526,7 @@ EXPORT_SYMBOL_GPL(set_cr0);
void lmsw(struct kvm_vcpu *vcpu, unsigned long msw)
{
- set_cr0(vcpu, (vcpu->cr0 & ~0x0ful) | (msw & 0x0f));
+ set_cr0(vcpu, (vcpu->cr0 & ~0xffffUL) | (msw & 0xffff));
}
EXPORT_SYMBOL_GPL(lmsw);
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