diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2011-03-17 13:46:58 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-03-17 13:48:06 -0600 |
| commit | 2dd22997679a88874c131f6e6ffb963e6d43b3a6 (patch) | |
| tree | bfe1707dda7e755b8b550c6796e2649813bcfbb9 /arch/ia64/kernel/time.c | |
| parent | 36885ff0e6563687e6152da6d311abbf83c0198f (diff) | |
| parent | 7b7adc4a016a1decb806eb71ecab98721fa7f146 (diff) | |
Merge remote-tracking branch 'origin' into spi/next
Pull in Linus' tree to pick up changes required for the langwell gpio fixes
Diffstat (limited to 'arch/ia64/kernel/time.c')
| -rw-r--r-- | arch/ia64/kernel/time.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 9702fa92489e..156ad803d5b7 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -190,19 +190,10 @@ timer_interrupt (int irq, void *dev_id) new_itm += local_cpu_data->itm_delta; - if (smp_processor_id() == time_keeper_id) { - /* - * Here we are in the timer irq handler. We have irqs locally - * disabled, but we don't know if the timer_bh is running on - * another CPU. We need to avoid to SMP race by acquiring the - * xtime_lock. - */ - write_seqlock(&xtime_lock); - do_timer(1); - local_cpu_data->itm_next = new_itm; - write_sequnlock(&xtime_lock); - } else - local_cpu_data->itm_next = new_itm; + if (smp_processor_id() == time_keeper_id) + xtime_update(1); + + local_cpu_data->itm_next = new_itm; if (time_after(new_itm, ia64_get_itc())) break; @@ -222,7 +213,7 @@ skip_process_time_accounting: * comfort, we increase the safety margin by * intentionally dropping the next tick(s). We do NOT * update itm.next because that would force us to call - * do_timer() which in turn would let our clock run + * xtime_update() which in turn would let our clock run * too fast (with the potentially devastating effect * of losing monotony of time). */ |