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authorKefeng Wang <wangkefeng.wang@huawei.com>2021-01-11 20:40:12 +0800
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-01-14 15:09:11 -0800
commit091b9450858ecd60eeb5a14231db07071d24875f (patch)
tree42120542d49503a5b0562fb908a67125ca58682a /arch/riscv/include/asm
parentfea2fed201ee5647699018a56fbb6a5e8cc053a5 (diff)
downloadlinux-091b9450858ecd60eeb5a14231db07071d24875f.tar.gz
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/include/asm')
-rw-r--r--arch/riscv/include/asm/bug.h1
-rw-r--r--arch/riscv/include/asm/stacktrace.h2
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/bug.h b/arch/riscv/include/asm/bug.h
index d6f1ec08d97b..d3804a2f9aad 100644
--- a/arch/riscv/include/asm/bug.h
+++ b/arch/riscv/include/asm/bug.h
@@ -85,6 +85,7 @@ do { \
struct pt_regs;
struct task_struct;
+void __show_regs(struct pt_regs *regs);
void die(struct pt_regs *regs, const char *str);
void do_trap(struct pt_regs *regs, int signo, int code, unsigned long addr);
diff --git a/arch/riscv/include/asm/stacktrace.h b/arch/riscv/include/asm/stacktrace.h
index 470a65c4ccdc..3450c1912afd 100644
--- a/arch/riscv/include/asm/stacktrace.h
+++ b/arch/riscv/include/asm/stacktrace.h
@@ -13,5 +13,7 @@ struct stackframe {
extern void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(void *, unsigned long), void *arg);
+extern void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
+ const char *loglvl);
#endif /* _ASM_RISCV_STACKTRACE_H */