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Subject[PATCH 8/9] KVM: x86 emulator: fix RDPMC privilege check
Date
From: Avi Kivity <avi@redhat.com>

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>
---
arch/x86/kvm/emulate.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 8547958..c0ee85b 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3254,7 +3254,7 @@ static struct opcode twobyte_table[256] = {
DI(ImplicitOps | Priv, wrmsr),
IIP(ImplicitOps, em_rdtsc, rdtsc, check_rdtsc),
DI(ImplicitOps | Priv, 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,
--
1.7.5.3


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