[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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