diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-11-10 09:16:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-10 09:16:40 +0100 |
| commit | 4e0304310f5180eee11b4edc72cf4cb78acdc634 (patch) | |
| tree | ce01e1d5e32cd4dea916d05392e98b14d6e8e780 | |
| parent | 4ecd33d930591d41fe356160593a9076467b961c (diff) | |
x86: apic - calibrate_APIC_clock remove redundant irq-enable-disable
Impact: cleanup
lapic_timer_setup is self-protected with local_irq_save/restore
no need to use them in caller and levt is the per-cpu variable so
no concurrent access from another cpu.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/apic.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 04a7f960bbc..ce90dc18413 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -672,13 +672,9 @@ static int __init calibrate_APIC_clock(void) while (lapic_cal_loops <= LAPIC_CAL_LOOPS) cpu_relax(); - local_irq_disable(); - /* Stop the lapic timer */ lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt); - local_irq_enable(); - /* Jiffies delta */ deltaj = lapic_cal_j2 - lapic_cal_j1; apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj); |