diff options
| author | Scott Wood <scottwood@freescale.com> | 2012-08-22 15:03:50 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-05 23:38:54 +0200 |
| commit | 5bd1cf118533aba41b3fbd4834e6362a9237db71 (patch) | |
| tree | 33cf8766cec82d210d95755a8291855c7f199705 /arch/powerpc/kvm/booke.c | |
| parent | adbb48a854bf8dee556dc42b96dd61503351a82d (diff) | |
KVM: PPC: set IN_GUEST_MODE before checking requests
Avoid a race as described in the code comment.
Also remove a related smp_wmb() from booke's kvmppc_prepare_to_enter().
I can't see any reason for it, and the book3s_pr version doesn't have it.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/booke.c')
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 69d047c22d20..3d1f35dc7862 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -674,7 +674,6 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) out: vcpu->mode = OUTSIDE_GUEST_MODE; - smp_wmb(); return ret; } |