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riscv: Add dump stack in show_regs

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Like commit 1149aad10b ("arm64: Add dump_backtrace() in show_regs"),
dump the stack in riscv show_regs as common code expects.

Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Kefeng Wang
2021-01-11 20:40:12 +08:00
committed by Palmer Dabbelt
parent fea2fed201
commit 091b945085
5 changed files with 21 additions and 4 deletions
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arch/riscv/kernel/stacktrace.c
+8 -2
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@@ -101,10 +101,16 @@ static bool print_trace_address(void *arg, unsigned long pc)
return true;
}
void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
const char *loglvl)
{
pr_cont("%sCall Trace:\n", loglvl);
walk_stackframe(task, regs, print_trace_address, (void *)loglvl);
}
void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
{
pr_cont("Call Trace:\n");
walk_stackframe(task, NULL, print_trace_address, (void *)loglvl);
dump_backtrace(NULL, task, loglvl);
}
static bool save_wchan(void *arg, unsigned long pc)