KVM: x86 emulator: fix RDPMC privilege check

RDPMC is only privileged if CR4.PCE=0.  check_rdpmc() already implements this,
so all we need to do is drop the Priv flag.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index de7be77820d5313f71753e3721866df2a9f10c4d..d270f1a817dc6c191161b2139413aa2973f36d98 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3411,7 +3411,7 @@ static struct opcode twobyte_table[256] = {
        II(ImplicitOps | Priv, em_wrmsr, wrmsr),
        IIP(ImplicitOps, em_rdtsc, rdtsc, check_rdtsc),
        II(ImplicitOps | Priv, em_rdmsr, rdmsr),
-       DIP(ImplicitOps | Priv, rdpmc, check_rdpmc),
+       DIP(ImplicitOps, rdpmc, check_rdpmc),
        I(ImplicitOps | VendorSpecific, em_sysenter),
        I(ImplicitOps | Priv | VendorSpecific, em_sysexit),
        N, N,