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NOHZ: unify the nohz function calls in irq_enter()

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We have two separate nohz function calls in irq_enter() for no good
reason. Just call a single NOHZ function from irq_enter() and call
the bits in the tick code.

Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Thomas Gleixner 2008-10-17 09:59:47 +02:00 • committed by Thomas Gleixner
commit 719254faa1
3 changed files with 18 additions and 12 deletions
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10
kernel/softirq.c
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@ -265,16 +265,12 @@ asmlinkage void do_softirq(void)
*/
void irq_enter(void)
{
#ifdef CONFIG_NO_HZ
int cpu = smp_processor_id();
if (idle_cpu(cpu) && !in_interrupt())
tick_nohz_stop_idle(cpu);
#endif
tick_check_idle(cpu);
__irq_enter();
#ifdef CONFIG_NO_HZ
if (idle_cpu(cpu))
tick_nohz_update_jiffies();
#endif
}
#ifdef __ARCH_IRQ_EXIT_IRQS_DISABLED