diff options
Diffstat (limited to 'arch/ia64/kernel/process.c')
-rw-r--r-- | arch/ia64/kernel/process.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 4c621fc3c3b..640d6908f8e 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c | |||
@@ -197,11 +197,15 @@ void | |||
197 | default_idle (void) | 197 | default_idle (void) |
198 | { | 198 | { |
199 | local_irq_enable(); | 199 | local_irq_enable(); |
200 | while (!need_resched()) | 200 | while (!need_resched()) { |
201 | if (can_do_pal_halt) | 201 | if (can_do_pal_halt) { |
202 | safe_halt(); | 202 | local_irq_disable(); |
203 | else | 203 | if (!need_resched()) |
204 | safe_halt(); | ||
205 | local_irq_enable(); | ||
206 | } else | ||
204 | cpu_relax(); | 207 | cpu_relax(); |
208 | } | ||
205 | } | 209 | } |
206 | 210 | ||
207 | #ifdef CONFIG_HOTPLUG_CPU | 211 | #ifdef CONFIG_HOTPLUG_CPU |
@@ -263,16 +267,16 @@ void __attribute__((noreturn)) | |||
263 | cpu_idle (void) | 267 | cpu_idle (void) |
264 | { | 268 | { |
265 | void (*mark_idle)(int) = ia64_mark_idle; | 269 | void (*mark_idle)(int) = ia64_mark_idle; |
270 | int cpu = smp_processor_id(); | ||
271 | set_thread_flag(TIF_POLLING_NRFLAG); | ||
266 | 272 | ||
267 | /* endless idle loop with no priority at all */ | 273 | /* endless idle loop with no priority at all */ |
268 | while (1) { | 274 | while (1) { |
275 | if (!need_resched()) { | ||
276 | void (*idle)(void); | ||
269 | #ifdef CONFIG_SMP | 277 | #ifdef CONFIG_SMP |
270 | if (!need_resched()) | ||
271 | min_xtp(); | 278 | min_xtp(); |
272 | #endif | 279 | #endif |
273 | while (!need_resched()) { | ||
274 | void (*idle)(void); | ||
275 | |||
276 | if (__get_cpu_var(cpu_idle_state)) | 280 | if (__get_cpu_var(cpu_idle_state)) |
277 | __get_cpu_var(cpu_idle_state) = 0; | 281 | __get_cpu_var(cpu_idle_state) = 0; |
278 | 282 | ||
@@ -284,19 +288,17 @@ cpu_idle (void) | |||
284 | if (!idle) | 288 | if (!idle) |
285 | idle = default_idle; | 289 | idle = default_idle; |
286 | (*idle)(); | 290 | (*idle)(); |
287 | } | 291 | if (mark_idle) |
288 | 292 | (*mark_idle)(0); | |
289 | if (mark_idle) | ||
290 | (*mark_idle)(0); | ||
291 | |||
292 | #ifdef CONFIG_SMP | 293 | #ifdef CONFIG_SMP |
293 | normal_xtp(); | 294 | normal_xtp(); |
294 | #endif | 295 | #endif |
296 | } | ||
295 | preempt_enable_no_resched(); | 297 | preempt_enable_no_resched(); |
296 | schedule(); | 298 | schedule(); |
297 | preempt_disable(); | 299 | preempt_disable(); |
298 | check_pgt_cache(); | 300 | check_pgt_cache(); |
299 | if (cpu_is_offline(smp_processor_id())) | 301 | if (cpu_is_offline(cpu)) |
300 | play_dead(); | 302 | play_dead(); |
301 | } | 303 | } |
302 | } | 304 | } |