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-rw-r--r--arch/sh/kernel/smp.c43
1 files changed, 41 insertions, 2 deletions
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 001778f9adaf..508dfb023628 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -3,7 +3,7 @@
3 * 3 *
4 * SMP support for the SuperH processors. 4 * SMP support for the SuperH processors.
5 * 5 *
6 * Copyright (C) 2002 - 2007 Paul Mundt 6 * Copyright (C) 2002 - 2008 Paul Mundt
7 * Copyright (C) 2006 - 2007 Akio Idehara 7 * Copyright (C) 2006 - 2007 Akio Idehara
8 * 8 *
9 * This file is subject to the terms and conditions of the GNU General Public 9 * This file is subject to the terms and conditions of the GNU General Public
@@ -86,9 +86,12 @@ asmlinkage void __cpuinit start_secondary(void)
86 86
87 local_irq_enable(); 87 local_irq_enable();
88 88
89 cpu = smp_processor_id();
90
91 /* Enable local timers */
92 local_timer_setup(cpu);
89 calibrate_delay(); 93 calibrate_delay();
90 94
91 cpu = smp_processor_id();
92 smp_store_cpu_info(cpu); 95 smp_store_cpu_info(cpu);
93 96
94 cpu_set(cpu, cpu_online_map); 97 cpu_set(cpu, cpu_online_map);
@@ -186,6 +189,42 @@ void arch_send_call_function_single_ipi(int cpu)
186 plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE); 189 plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
187} 190}
188 191
192void smp_timer_broadcast(cpumask_t mask)
193{
194 int cpu;
195
196 for_each_cpu_mask(cpu, mask)
197 plat_send_ipi(cpu, SMP_MSG_TIMER);
198}
199
200static void ipi_timer(void)
201{
202 irq_enter();
203 local_timer_interrupt();
204 irq_exit();
205}
206
207void smp_message_recv(unsigned int msg)
208{
209 switch (msg) {
210 case SMP_MSG_FUNCTION:
211 generic_smp_call_function_interrupt();
212 break;
213 case SMP_MSG_RESCHEDULE:
214 break;
215 case SMP_MSG_FUNCTION_SINGLE:
216 generic_smp_call_function_single_interrupt();
217 break;
218 case SMP_MSG_TIMER:
219 ipi_timer();
220 break;
221 default:
222 printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
223 smp_processor_id(), __func__, msg);
224 break;
225 }
226}
227
189/* Not really SMP stuff ... */ 228/* Not really SMP stuff ... */
190int setup_profiling_timer(unsigned int multiplier) 229int setup_profiling_timer(unsigned int multiplier)
191{ 230{