From 1149aad10b1e2f2cf1ea023889ac8604ae869c5a Mon Sep 17 00:00:00 2001 From: Kefeng Wang Date: Tue, 9 May 2017 09:53:37 +0800 Subject: arm64: Add dump_backtrace() in show_regs Generic code expects show_regs() to dump the stack, but arm64's show_regs() does not. This makes it hard to debug softlockups and other issues that result in show_regs() being called. This patch updates arm64's show_regs() to dump the stack, as common code expects. Acked-by: Mark Rutland Signed-off-by: Kefeng Wang [will: folded in bug_handler fix from mrutland] Signed-off-by: Will Deacon --- arch/arm64/include/asm/stacktrace.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm64/include') diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h index 801a16dbbdf6..5b6eafccc5d8 100644 --- a/arch/arm64/include/asm/stacktrace.h +++ b/arch/arm64/include/asm/stacktrace.h @@ -30,5 +30,6 @@ struct stackframe { extern int unwind_frame(struct task_struct *tsk, struct stackframe *frame); extern void walk_stackframe(struct task_struct *tsk, struct stackframe *frame, int (*fn)(struct stackframe *, void *), void *data); +extern void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk); #endif /* __ASM_STACKTRACE_H */ -- cgit v1.2.3