[PATCH] KVM: vmx: fix MPX detection

From: Paolo Bonzini
Date: Wed Mar 26 2014 - 10:55:31 EST


kvm_x86_ops is still NULL at this point. Since kvm_init_msr_list
cannot fail, it is safe to initialize it before the call.

Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Cc: kvm@xxxxxxxxxxxxxxx
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/x86.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 39c28f09dfd5..49b514f76b5d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5537,9 +5537,10 @@ int kvm_arch_init(void *opaque)
goto out_free_percpu;

kvm_set_mmio_spte_mask();
- kvm_init_msr_list();

kvm_x86_ops = ops;
+ kvm_init_msr_list();
+
kvm_mmu_set_mask_ptes(PT_USER_MASK, PT_ACCESSED_MASK,
PT_DIRTY_MASK, PT64_NX_MASK, 0);

--
1.8.5.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/