parisc: do not count IPI calls twice

PATCH New Helge Deller 1 participant 1 message Oct 26, 2013 PA-RISC architecture

Share & tools

Helge Deller

author maintainer

2013-10-26 22:26 UTC #0 lore raw

PATCH 1/1 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 <[email protected]>

arch/parisc/include/asm/hardirq.h +0 -1

index 241c345..9b3bd03 100644
@@ -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;

arch/parisc/kernel/irq.c +0 -4

index 2e6443b..501ac8b 100644
@@ -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)

arch/parisc/kernel/smp.c +0 -4

index 2b96602..ceda229 100644
@@ -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. */