Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Three one-line fixes for my first pull request; one for x86 host, one
  for x86 guest, one for PPC"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86: kvmclock: zero initialize pvclock shared memory area
  kvm/ppc/booke: Delay kvmppc_lazy_ee_enable
  KVM: x86: remove vcpu's CPL check in host-invoked XCR set

2 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index d2c381280e3c..3dd37ebd591b 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -242,6 +242,7 @@ void __init kvmclock_init(void)
         if (!mem)
                 return;
         hv_clock = __va(mem);
+        memset(hv_clock, 0, size);
 
         if (kvm_register_clock("boot clock")) {
                 hv_clock = NULL;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 094b5d96ab14..e8ba99c34180 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -582,8 +582,6 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
         if (index != XCR_XFEATURE_ENABLED_MASK)
                 return 1;
         xcr0 = xcr;
-        if (kvm_x86_ops->get_cpl(vcpu) != 0)
-                return 1;
         if (!(xcr0 & XSTATE_FP))
                 return 1;
         if ((xcr0 & XSTATE_YMM) && !(xcr0 & XSTATE_SSE))
@@ -597,7 +595,8 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
 
 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
 {
-        if (__kvm_set_xcr(vcpu, index, xcr)) {
+        if (kvm_x86_ops->get_cpl(vcpu) != 0 ||
+            __kvm_set_xcr(vcpu, index, xcr)) {
                 kvm_inject_gp(vcpu, 0);
                 return 1;
         }