diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/kernel/machine_kexec.c | 4 | ||||
-rw-r--r-- | arch/arm/kernel/process.c | 12 | ||||
-rw-r--r-- | arch/arm/kernel/smp.c | 11 |
3 files changed, 18 insertions, 9 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 3b4872c2da8..df5958f6864 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c | |||
@@ -37,10 +37,6 @@ void machine_kexec_cleanup(struct kimage *image) | |||
37 | { | 37 | { |
38 | } | 38 | } |
39 | 39 | ||
40 | void machine_shutdown(void) | ||
41 | { | ||
42 | } | ||
43 | |||
44 | void machine_crash_shutdown(struct pt_regs *regs) | 40 | void machine_crash_shutdown(struct pt_regs *regs) |
45 | { | 41 | { |
46 | } | 42 | } |
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index aaf51159203..2e2ec97cc50 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c | |||
@@ -198,19 +198,29 @@ int __init reboot_setup(char *str) | |||
198 | 198 | ||
199 | __setup("reboot=", reboot_setup); | 199 | __setup("reboot=", reboot_setup); |
200 | 200 | ||
201 | void machine_halt(void) | 201 | void machine_shutdown(void) |
202 | { | 202 | { |
203 | #ifdef CONFIG_SMP | ||
204 | smp_send_stop(); | ||
205 | #endif | ||
203 | } | 206 | } |
204 | 207 | ||
208 | void machine_halt(void) | ||
209 | { | ||
210 | machine_shutdown(); | ||
211 | while (1); | ||
212 | } | ||
205 | 213 | ||
206 | void machine_power_off(void) | 214 | void machine_power_off(void) |
207 | { | 215 | { |
216 | machine_shutdown(); | ||
208 | if (pm_power_off) | 217 | if (pm_power_off) |
209 | pm_power_off(); | 218 | pm_power_off(); |
210 | } | 219 | } |
211 | 220 | ||
212 | void machine_restart(char *cmd) | 221 | void machine_restart(char *cmd) |
213 | { | 222 | { |
223 | machine_shutdown(); | ||
214 | arm_pm_restart(reboot_mode, cmd); | 224 | arm_pm_restart(reboot_mode, cmd); |
215 | } | 225 | } |
216 | 226 | ||
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 0170e248a1d..40dc74f2b27 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c | |||
@@ -471,10 +471,13 @@ static DEFINE_SPINLOCK(stop_lock); | |||
471 | */ | 471 | */ |
472 | static void ipi_cpu_stop(unsigned int cpu) | 472 | static void ipi_cpu_stop(unsigned int cpu) |
473 | { | 473 | { |
474 | spin_lock(&stop_lock); | 474 | if (system_state == SYSTEM_BOOTING || |
475 | printk(KERN_CRIT "CPU%u: stopping\n", cpu); | 475 | system_state == SYSTEM_RUNNING) { |
476 | dump_stack(); | 476 | spin_lock(&stop_lock); |
477 | spin_unlock(&stop_lock); | 477 | printk(KERN_CRIT "CPU%u: stopping\n", cpu); |
478 | dump_stack(); | ||
479 | spin_unlock(&stop_lock); | ||
480 | } | ||
478 | 481 | ||
479 | set_cpu_online(cpu, false); | 482 | set_cpu_online(cpu, false); |
480 | 483 | ||