Messages in this thread Patch in this message | | | From | Kefeng Wang <> | Subject | [PATCH] panic: Avoid dump_stack() twice | Date | Fri, 13 Nov 2020 13:47:47 +0800 |
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stacktrace will be dumped twice on ARM64 after commit 3f388f28639f ("panic: dump registers on panic_on_warn"), will not dump_stack when no regs as before.
Fixes: 3f388f28639f ("panic: dump registers on panic_on_warn") Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- kernel/panic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/panic.c b/kernel/panic.c index 396142ee43fd..332736a72a58 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -605,7 +605,8 @@ void __warn(const char *file, int line, void *caller, unsigned taint, panic("panic_on_warn set ...\n"); } - dump_stack(); + if (!regs) + dump_stack(); print_irqtrace_events(current); -- 2.26.2
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