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authorCyrill Gorcunov <gorcunov@gmail.com>2008-11-10 03:16:40 -0500
committerIngo Molnar <mingo@elte.hu>2008-11-10 03:16:40 -0500
commit4e0304310f5180eee11b4edc72cf4cb78acdc634 (patch)
treece01e1d5e32cd4dea916d05392e98b14d6e8e780 /arch/x86/kernel/apic.c
parent4ecd33d930591d41fe356160593a9076467b961c (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>
Diffstat (limited to 'arch/x86/kernel/apic.c')
-rw-r--r--arch/x86/kernel/apic.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 04a7f960bbc0..ce90dc184139 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -672,13 +672,9 @@ static int __init calibrate_APIC_clock(void)
672 while (lapic_cal_loops <= LAPIC_CAL_LOOPS) 672 while (lapic_cal_loops <= LAPIC_CAL_LOOPS)
673 cpu_relax(); 673 cpu_relax();
674 674
675 local_irq_disable();
676
677 /* Stop the lapic timer */ 675 /* Stop the lapic timer */
678 lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt); 676 lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt);
679 677
680 local_irq_enable();
681
682 /* Jiffies delta */ 678 /* Jiffies delta */
683 deltaj = lapic_cal_j2 - lapic_cal_j1; 679 deltaj = lapic_cal_j2 - lapic_cal_j1;
684 apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj); 680 apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj);