KVM: PPC: bookehv: remove SET_VCPU

The SET_VCPU macro is a leftover from times when the vcpu struct wasn't
stored in the thread on vcpu_load/put. It's not needed anymore. Remove it.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/powerpc/kvm/bookehv_interrupts.S

@@ -35,9 +35,6 @@
 #define GET_VCPU(vcpu, thread)	\
 	PPC_LL	vcpu, THREAD_KVM_VCPU(thread)
 
-#define SET_VCPU(vcpu)		\
-        PPC_STL	vcpu, (THREAD + THREAD_KVM_VCPU)(r2)
-
 #define LONGBYTES		(BITS_PER_LONG / 8)
 
 #define VCPU_GPR(n)     	(VCPU_GPRS + (n * LONGBYTES))
@@ -517,11 +514,6 @@ lightweight_exit:
 	lwz	r3, VCPU_GUEST_PID(r4)
 	mtspr	SPRN_PID, r3
 
-	/* Save vcpu pointer for the exception handlers
-	 * must be done before loading guest r2.
-	 */
-//	SET_VCPU(r4)
-
 	PPC_LL	r11, VCPU_SHARED(r4)
 	/* Save host mas4 and mas6 and load guest MAS registers */
 	mfspr	r3, SPRN_MAS4