diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2021-01-11 20:40:12 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-01-14 15:09:11 -0800 |
| commit | 091b9450858ecd60eeb5a14231db07071d24875f (patch) | |
| tree | 42120542d49503a5b0562fb908a67125ca58682a /arch/riscv/kernel/process.c | |
| parent | fea2fed201ee5647699018a56fbb6a5e8cc053a5 (diff) | |
riscv: Add dump stack in show_regs
Like commit 1149aad10b1e ("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>
Diffstat (limited to 'arch/riscv/kernel/process.c')
| -rw-r--r-- | arch/riscv/kernel/process.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c index f786b5fc6bcb..ced48d9f4254 100644 --- a/arch/riscv/kernel/process.c +++ b/arch/riscv/kernel/process.c @@ -18,6 +18,7 @@ #include <asm/unistd.h> #include <asm/processor.h> #include <asm/csr.h> +#include <asm/stacktrace.h> #include <asm/string.h> #include <asm/switch_to.h> #include <asm/thread_info.h> @@ -39,7 +40,7 @@ void arch_cpu_idle(void) raw_local_irq_enable(); } -void show_regs(struct pt_regs *regs) +void __show_regs(struct pt_regs *regs) { show_regs_print_info(KERN_DEFAULT); @@ -69,6 +70,12 @@ void show_regs(struct pt_regs *regs) pr_cont("status: " REG_FMT " badaddr: " REG_FMT " cause: " REG_FMT "\n", regs->status, regs->badaddr, regs->cause); } +void show_regs(struct pt_regs *regs) +{ + __show_regs(regs); + if (!user_mode(regs)) + dump_backtrace(regs, NULL, KERN_DEFAULT); +} void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp) |