parisc: show backtrace for all cpus when using sysrq-l

PATCH New Helge Deller 1 participant 1 message Oct 13, 2013 PA-RISC architecture

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Helge Deller

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2013-10-13 19:37 UTC #0 lore raw

PATCH 1/1 parisc: show backtrace for all cpus when using sysrq-l

Improve output when using sysrq-l command (show backtrace for all cpus).

Signed-off-by Helge Deller <[email protected]>

arch/parisc/include/asm/irq.h +5 -0

index 1073599..99989ad 100644
@@ -49,4 +49,9 @@ extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest);
 /* soft power switch support (power.c) */
 extern struct tasklet_struct power_tasklet;
 
+#ifdef CONFIG_SMP
+void arch_trigger_all_cpu_backtrace(void);
+#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
+#endif
+
 #endif	/* _ASM_PARISC_IRQ_H */

arch/parisc/kernel/irq.c +41 -0

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