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Commit 67317c26 authored by Sudeep KarkadaNagesha's avatar Sudeep KarkadaNagesha Committed by Catalin Marinas
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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: default avatarSudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 61c77e08

arch/arm64/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -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]);