[Qemu-devel] Re: [PATCH] enable SVM EFER bit

[Fabrice Bellard]

Alexander Graf wrote:
> Due to the recently introduces checks for SVM activation, the SVM 
> instructions currently throw a #UD exception if they are not activated. 
> The activation happens through a write to the EFER which does not 
> support the SVM bit yet.
>
> This patch adds the SVME bit to the EFER MSR write. It makes KVM work 
> for me again.

OK for the problem, but the fix is not OK because you don't synchronize 
the hflags. It is strange that SVM can even work with that... I am 
working on a better fix.

Fabrice.