[SPARC]: Keiths SMP patch #1

arch/sparc/kernel/entry.S

@@ -359,11 +359,11 @@ maybe_smp4m_msg:
 	andcc	%o1, %o4, %g0
 	be,a	smp4m_ticker
 	 cmp	%l7, 14
-	cmp	%l7, 13
+	sethi	%hi(0x40000000), %o2
 	add	%o5, %o3, %o5
-	bne,a	1f
-	 sethi	%hi(0x40000000), %o2
-	sethi	%hi(0x20000000), %o2
+	andcc	%o1, %o2, %g0
+	be,a	1f
+	 sethi	%hi(0x20000000), %o2
 1:
 	st	%o2, [%o5 + 0x4]
 	WRITE_PAUSE
@@ -374,7 +374,8 @@ maybe_smp4m_msg:
 	WRITE_PAUSE
 	wr	%l4, PSR_ET, %psr
 	WRITE_PAUSE
-	cmp	%l7, 13
+	srl	%o2, (16+14), %o2
+	tst	%o2
 	bne	2f
 	 nop
 	call	C_LABEL(smp_reschedule_irq)

arch/sparc/kernel/smp.c

@@ -133,6 +133,16 @@ void __init smp_boot_cpus(void)
 		smp4d_boot_cpus();
 }
 
+void smp_send_reschedule(int cpu)
+{
+	smp_message_pass (cpu, MSG_RESCHEDULE, 0, 0);
+}
+
+void smp_send_stop(void)
+{
+	smp_message_pass (MSG_ALL_BUT_SELF, MSG_STOP_CPU, 0, 0);
+}
+
 void smp_flush_cache_all(void)
 {
 	xc0((smpfunc_t) BTFIXUP_CALL(local_flush_cache_all));

include/asm-sparc/smp.h

@@ -169,9 +169,6 @@ extern __inline__ int hard_smp_processor_id(void)
 #endif
 
 #define smp_processor_id() hard_smp_processor_id()
-/* XXX We really need to implement this now.  -DaveM */
-extern __inline__ void smp_send_reschedule(int cpu) { }
-extern __inline__ void smp_send_stop(void) { }
 
 #endif /* !(__ASSEMBLY__) */