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| author | Tejun Heo <tj@kernel.org> | 2011-05-02 14:16:37 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-05-02 14:16:47 +0200 |
| commit | ba67cf5cf2ce10ad86a212b70f8c7c75d93a5016 (patch) | |
| tree | 70242f5927c6d6454bd352ff78f956cfc5238f59 /arch/blackfin/kernel/time-ts.c | |
| parent | aff364860aa105b2deacc6f21ec8ef524460e3fc (diff) | |
| parent | 2be19102b71c1a45d37fec50303791daa1a06869 (diff) | |
Merge branch 'x86/urgent' into x86-mm
Merge reason: Pick up the following two fix commits.
2be19102b7: x86, NUMA: Fix empty memblk detection in numa_cleanup_meminfo()
765af22da8: x86-32, NUMA: Fix ACPI NUMA init broken by recent x86-64 change
Scheduled NUMA init 32/64bit unification changes depend on these.
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/blackfin/kernel/time-ts.c')
| -rw-r--r-- | arch/blackfin/kernel/time-ts.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index 8c9a43daf80f..cdb4beb6bc8f 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c @@ -206,8 +206,14 @@ irqreturn_t bfin_gptmr0_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = dev_id; smp_mb(); - evt->event_handler(evt); + /* + * We want to ACK before we handle so that we can handle smaller timer + * intervals. This way if the timer expires again while we're handling + * things, we're more likely to see that 2nd int rather than swallowing + * it by ACKing the int at the end of this handler. + */ bfin_gptmr0_ack(); + evt->event_handler(evt); return IRQ_HANDLED; } |