---

yaml
---
r: 73975
b: refs/heads/master
c: 677d762
h: refs/heads/master
i:
  73973: 8e4ed1b
  73971: b1c988a
  73967: e39fc2b
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ce7e9fae8db07af4080e868f4588f8f095f803dc
+refs/heads/master: 677d762319facc20467243c6dd9487261e3515b0

trunk/arch/s390/kernel/smp.c

@@ -193,71 +193,29 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
 }
 EXPORT_SYMBOL(smp_call_function_single);
 
-static void do_send_stop(void)
+void smp_send_stop(void)
 {
 	int cpu, rc;
 
-	/* stop all processors */
-	for_each_online_cpu(cpu) {
-		if (cpu == smp_processor_id())
-			continue;
-		do {
-			rc = signal_processor(cpu, sigp_stop);
-		} while (rc == sigp_busy);
-	}
-}
+	/* Disable all interrupts/machine checks */
+	__load_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK);
 
-static void do_store_status(void)
-{
-	int cpu, rc;
+	/* write magic number to zero page (absolute 0) */
+	lowcore_ptr[smp_processor_id()]->panic_magic = __PANIC_MAGIC;
 
-	/* store status of all processors in their lowcores (real 0) */
+	/* stop all processors */
 	for_each_online_cpu(cpu) {
 		if (cpu == smp_processor_id())
 			continue;
 		do {
-			rc = signal_processor_p(
-				(__u32)(unsigned long) lowcore_ptr[cpu], cpu,
-				sigp_store_status_at_address);
+			rc = signal_processor(cpu, sigp_stop);
 		} while (rc == sigp_busy);
-	}
-}
 
-static void do_wait_for_stop(void)
-{
-	int cpu;
-
-	/* Wait for all other cpus to enter stopped state */
-	for_each_online_cpu(cpu) {
-		if (cpu == smp_processor_id())
-			continue;
 		while (!smp_cpu_not_running(cpu))
 			cpu_relax();
 	}
 }
 
-/*
- * this function sends a 'stop' sigp to all other CPUs in the system.
- * it goes straight through.
- */
-void smp_send_stop(void)
-{
-	/* Disable all interrupts/machine checks */
-	__load_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK);
-
-	/* write magic number to zero page (absolute 0) */
-	lowcore_ptr[smp_processor_id()]->panic_magic = __PANIC_MAGIC;
-
-	/* stop other processors. */
-	do_send_stop();
-
-	/* wait until other processors are stopped */
-	do_wait_for_stop();
-
-	/* store status of other processors. */
-	do_store_status();
-}
-
 /*
  * Reboot, halt and power_off routines for SMP.
  */