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| author | Helge Deller <deller@gmx.de> | 2013-10-27 00:26:20 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2013-11-07 22:28:54 +0100 |
| commit | 6f0c4aa61d30131ceb32f2a9926dd71cc5cd003a (patch) | |
| tree | 564ee01886e301b0cab90e21a72bcacacf8460bd /arch/parisc | |
| parent | parisc: make udelay() SMP-safe (diff) | |
| download | linux-6f0c4aa61d30131ceb32f2a9926dd71cc5cd003a.tar.xz linux-6f0c4aa61d30131ceb32f2a9926dd71cc5cd003a.zip | |
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 <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/hardirq.h | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/irq.c | 4 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 5 |
3 files changed, 0 insertions, 10 deletions
diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index 241c34518465..9b3bd039a609 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 2e6443b1e922..501ac8b4dcdf 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 2b96602e812f..ceda229ea6c2 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); |