From: Helge Deller Date: Sat, 26 Oct 2013 22:26:20 +0000 (+0200) Subject: parisc: do not count IPI calls twice X-Git-Tag: v3.13-rc1~155^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f0c4aa61d30131ceb32f2a9926dd71cc5cd003a;p=kernel%2Fkernel-generic.git parisc: do not count IPI calls twice The number of IPI calls is already visible as per-cpu IPI irq counters in/proc/cpuinfo, so let's drop this additional counting. This partly reverts: cd85d55 parisc: more irq statistics in /proc/interrupts Signed-off-by: Helge Deller --- diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 241c345..9b3bd03 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -21,7 +21,6 @@ typedef struct { unsigned int irq_stack_usage; #ifdef CONFIG_SMP unsigned int irq_resched_count; - unsigned int irq_call_count; #endif unsigned int irq_unaligned_count; unsigned int irq_fpassist_count; diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 2e6443b..501ac8b 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -179,10 +179,6 @@ int arch_show_interrupts(struct seq_file *p, int prec) for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); seq_puts(p, " Rescheduling interrupts\n"); - seq_printf(p, "%*s: ", prec, "CAL"); - for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); - seq_puts(p, " Function call interrupts\n"); #endif seq_printf(p, "%*s: ", prec, "UAH"); for_each_online_cpu(j) diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 2b96602..ceda229 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -125,11 +125,6 @@ ipi_interrupt(int irq, void *dev_id) unsigned long ops; unsigned long flags; - /* Count this now; we may make a call that never returns. */ - inc_irq_stat(irq_call_count); - - mb(); /* Order interrupt and bit testing. */ - for (;;) { spinlock_t *lock = &per_cpu(ipi_lock, this_cpu); spin_lock_irqsave(lock, flags);