As SMP-on-UP is a valid configuration on 32bit ARM, do not assume that
IPIs are populated in show_ipi_list().
Reported-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Reported-by: kernelci.org bot <bot@kernelci.org>
Tested-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
unsigned int cpu, i;
for (i = 0; i < NR_IPI; i++) {
- unsigned int irq = irq_desc_get_irq(ipi_desc[i]);
+ unsigned int irq;
+
+ if (!ipi_desc[i])
+ continue;
+
+ irq = irq_desc_get_irq(ipi_desc[i]);
seq_printf(p, "%*s%u: ", prec - 1, "IPI", i);
for_each_online_cpu(cpu)