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ARM64: /proc/interrupts: display IPIs of online CPUs only 

The non-IPI interrupts are displayed only for the online cpus from
show_interrupts in kernel/irq/proc.c before calling arch_show_interrupts().
As a result, the column headers and the IPI count don't match if any
CPU is offline.

This patch fixes show_ipi_list to display IPIs for online CPUs only.

Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Sudeep KarkadaNagesha 2013-11-07 15:25:44 +00:00 committed by Catalin Marinas
parent 61c77e0802
commit 67317c2689
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/smp.c
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@ -455,7 +455,7 @@ void show_ipi_list(struct seq_file *p, int prec)
for (i = 0; i < NR_IPI; i++) {
seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i + IPI_RESCHEDULE,
prec >= 4 ? " " : "");
for_each_present_cpu(cpu)
for_each_online_cpu(cpu)
seq_printf(p, "%10u ",
__get_irq_stat(cpu, ipi_irqs[i]));
seq_printf(p, " %s\n", ipi_types[i]);