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>

parent a6c06ed1

arch/x86/kvm/emulate.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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,