diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-05 11:39:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-05 11:39:25 -0800 |
| commit | c11eef21aa119a41fa210b9693f2346997885bcf (patch) | |
| tree | b2d874f4b3f8a65029bc184a2db6b999b8e4d1c1 /arch/s390/kernel/process.c | |
| parent | 221d46841b931d0e6b11e6251e482f2afe3974dd (diff) | |
| parent | d2cb0e6ecbe0ef93ab36631cd17ec6cf92b69c5a (diff) | |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] tod clock: announce clocksource as perfect
[S390] Rename "idle_time" attribute to "idle_time_us".
[S390] Fix priority mistakes in drivers/s390/cio/cmf.c
[S390] Fix memory detection.
[S390] Fix compile on !CONFIG_SMP.
[S390] device_schedule_callback() for dcssblk.
[S390] Fix smsgiucv init on no iucv machines
[S390] cio: use INIT_WORK to initialize struct work.
Diffstat (limited to 'arch/s390/kernel/process.c')
| -rw-r--r-- | arch/s390/kernel/process.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 96492cf2d49..29f7884b4ff 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -92,6 +92,7 @@ EXPORT_SYMBOL(unregister_idle_notifier); void do_monitor_call(struct pt_regs *regs, long interruption_code) { +#ifdef CONFIG_SMP struct s390_idle_data *idle; idle = &__get_cpu_var(s390_idle); @@ -99,7 +100,7 @@ void do_monitor_call(struct pt_regs *regs, long interruption_code) idle->idle_time += get_clock() - idle->idle_enter; idle->in_idle = 0; spin_unlock(&idle->lock); - +#endif /* disable monitor call class 0 */ __ctl_clear_bit(8, 15); @@ -114,7 +115,9 @@ extern void s390_handle_mcck(void); static void default_idle(void) { int cpu, rc; +#ifdef CONFIG_SMP struct s390_idle_data *idle; +#endif /* CPU is going idle. */ cpu = smp_processor_id(); @@ -151,13 +154,14 @@ static void default_idle(void) s390_handle_mcck(); return; } - +#ifdef CONFIG_SMP idle = &__get_cpu_var(s390_idle); spin_lock(&idle->lock); idle->idle_count++; idle->in_idle = 1; idle->idle_enter = get_clock(); spin_unlock(&idle->lock); +#endif trace_hardirqs_on(); /* Wait for external, I/O or machine check interrupt. */ __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | |