diff options
Diffstat (limited to 'arch/um/kernel/process.c')
-rw-r--r-- | arch/um/kernel/process.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index b462b13c5bae..bbcef522bcb1 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c | |||
@@ -210,33 +210,14 @@ void initial_thread_cb(void (*proc)(void *), void *arg) | |||
210 | kmalloc_ok = save_kmalloc_ok; | 210 | kmalloc_ok = save_kmalloc_ok; |
211 | } | 211 | } |
212 | 212 | ||
213 | void default_idle(void) | 213 | void arch_cpu_idle(void) |
214 | { | 214 | { |
215 | unsigned long long nsecs; | 215 | unsigned long long nsecs; |
216 | 216 | ||
217 | while (1) { | ||
218 | /* endless idle loop with no priority at all */ | ||
219 | |||
220 | /* | ||
221 | * although we are an idle CPU, we do not want to | ||
222 | * get into the scheduler unnecessarily. | ||
223 | */ | ||
224 | if (need_resched()) | ||
225 | schedule(); | ||
226 | |||
227 | tick_nohz_idle_enter(); | ||
228 | rcu_idle_enter(); | ||
229 | nsecs = disable_timer(); | ||
230 | idle_sleep(nsecs); | ||
231 | rcu_idle_exit(); | ||
232 | tick_nohz_idle_exit(); | ||
233 | } | ||
234 | } | ||
235 | |||
236 | void cpu_idle(void) | ||
237 | { | ||
238 | cpu_tasks[current_thread_info()->cpu].pid = os_getpid(); | 217 | cpu_tasks[current_thread_info()->cpu].pid = os_getpid(); |
239 | default_idle(); | 218 | nsecs = disable_timer(); |
219 | idle_sleep(nsecs); | ||
220 | local_irq_enable(); | ||
240 | } | 221 | } |
241 | 222 | ||
242 | int __cant_sleep(void) { | 223 | int __cant_sleep(void) { |