[PATCH 3/3] powerpc/watchdog: Print the NIP in soft_nmi_interrupt()
Michael Ellerman
mpe at ellerman.id.au
Thu Oct 12 15:44:34 AEDT 2017
When a CPU detects its locked up via soft_nmi_interrupt() we have
pt_regs, so print the regs->nip, which points to where we took the
soft-NMI.
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
arch/powerpc/kernel/watchdog.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index 2494cbe34132..4594ba0979e4 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -235,7 +235,7 @@ void soft_nmi_interrupt(struct pt_regs *regs)
}
set_cpu_stuck(cpu, tb);
- pr_emerg("CPU %d self-detected hard LOCKUP\n", cpu);
+ pr_emerg("CPU %d self-detected hard LOCKUP @ %pS\n", cpu, (void *)regs->nip);
print_modules();
print_irqtrace_events(current);
show_regs(regs);
--
2.7.4
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