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Commit c0a1666b authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

KVM: VMX: use cmpxchg64 



This fixes a compilation failure on 32-bit systems.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 31afb2ea

arch/x86/kvm/vmx.c

+6 −6
Original line number Diff line number Diff line
@@ -2238,7 +2238,7 @@ 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,

	} while (cmpxchg64(&pi_desc->control, old.control,

			   new.control) != old.control);

}
@@ -11730,7 +11730,7 @@ 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,

	} while (cmpxchg64(&pi_desc->control, old.control,

			   new.control) != old.control);



	if (!WARN_ON_ONCE(vcpu->pre_pcpu == -1)) {
@@ -11800,7 +11800,7 @@ 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,

	} while (cmpxchg64(&pi_desc->control, old.control,

			   new.control) != old.control);



	/* We should not block the vCPU if an interrupt is posted for it.  */