diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-08-18 10:28:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2021-05-28 18:56:51 +0100 |
| commit | a4e199454b3897502a64eb2c05427d636e2e9282 (patch) | |
| tree | de373bc7884b945966ec5e8d272a8ca49c1bb9e3 /arch/arm/kernel | |
| parent | 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 (diff) | |
ARM: cobble together FIQ backtracingfiq
Cobble the FIQ backtracing together, some of this patch is based on
some of Daniel Thompson's work. Experimental, and not for submission
yet.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/traps.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 17d5a785df28..798b30942a24 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -26,6 +26,7 @@ #include <linux/sched/debug.h> #include <linux/sched/task_stack.h> #include <linux/irq.h> +#include <linux/nmi.h> #include <linux/atomic.h> #include <asm/cacheflush.h> @@ -514,6 +515,9 @@ asmlinkage void __exception_irq_entry handle_fiq_as_nmi(struct pt_regs *regs) nmi_enter(); /* nop. FIQ handlers for special arch/arm features can be added here. */ +#ifdef CONFIG_SMP + nmi_cpu_backtrace(regs); +#endif nmi_exit(); |