From: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>

On AMD K8 processors the fxsave/fxrstor instructions do not save and
restore the x87 error pointers FIP/FOP and FDP except the ES bit in the
status word is set. This could lead to information leakage from host to
guest and vice versa. This patch fixes this by setting the error
pointers to defined values on FPU state switch in KVM.

Signed-off-by: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>

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