diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-09-28 17:58:41 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-05 09:44:04 +0200 |
| commit | ea37f61f5de045ce72529ea95c7aa38c8187993c (patch) | |
| tree | 6472de5937c47148c3b1a7d5f705d30fbf19566a | |
| parent | cb2da657d3a9218baf522514061c28f5b1fa900e (diff) | |
KVM: VMX: use cmpxchg64
commit c0a1666bcb2a33e84187a15eabdcd54056be9a97 upstream.
This fixes a compilation failure on 32-bit systems.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/x86/kvm/vmx.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index b6ee73eda289..fb49212d25df 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2203,8 +2203,8 @@ static void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu) new.ndst = (dest << 8) & 0xFF00; new.sn = 0; - } while (cmpxchg(&pi_desc->control, old.control, - new.control) != old.control); + } while (cmpxchg64(&pi_desc->control, old.control, + new.control) != old.control); } static void decache_tsc_multiplier(struct vcpu_vmx *vmx) @@ -11039,8 +11039,8 @@ static void __pi_post_block(struct kvm_vcpu *vcpu) /* set 'NV' to 'notification vector' */ new.nv = POSTED_INTR_VECTOR; - } while (cmpxchg(&pi_desc->control, old.control, - new.control) != old.control); + } while (cmpxchg64(&pi_desc->control, old.control, + new.control) != old.control); if (!WARN_ON_ONCE(vcpu->pre_pcpu == -1)) { spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu)); @@ -11109,8 +11109,8 @@ static int pi_pre_block(struct kvm_vcpu *vcpu) /* set 'NV' to 'wakeup vector' */ new.nv = POSTED_INTR_WAKEUP_VECTOR; - } while (cmpxchg(&pi_desc->control, old.control, - new.control) != old.control); + } while (cmpxchg64(&pi_desc->control, old.control, + new.control) != old.control); /* We should not block the vCPU if an interrupt is posted for it. */ if (pi_test_on(pi_desc) == 1) |