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MIPS: kdb: Remove old workaround for backtracing on other CPUs
author
Douglas Anderson
<dianders@chromium.org>
Sat, 9 Nov 2019 19:16:40 +0000
(11:16 -0800)
committer
Daniel Thompson
<daniel.thompson@linaro.org>
Fri, 31 Jan 2020 17:33:51 +0000
(17:33 +0000)
As of commit
2277b492582d
("kdb: Fix stack crawling on 'running' CPUs
that aren't the master") we no longer need any special case for doing
stack dumps on CPUs that are not the kdb master. Let's remove.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link:
https://lore.kernel.org/r/20191109111623.1.I30a0cac4d9880040c8d41495bd9a567fe3e24989@changeid
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
arch/mips/kernel/traps.c
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diff --git
a/arch/mips/kernel/traps.c
b/arch/mips/kernel/traps.c
index
83f2a43
..
31968cb
100644
(file)
--- a/
arch/mips/kernel/traps.c
+++ b/
arch/mips/kernel/traps.c
@@
-210,11
+210,6
@@
void show_stack(struct task_struct *task, unsigned long *sp)
regs.regs[29] = task->thread.reg29;
regs.regs[31] = 0;
regs.cp0_epc = task->thread.reg31;
-#ifdef CONFIG_KGDB_KDB
- } else if (atomic_read(&kgdb_active) != -1 &&
- kdb_current_regs) {
- memcpy(®s, kdb_current_regs, sizeof(regs));
-#endif /* CONFIG_KGDB_KDB */
} else {
prepare_frametrace(®s);
}