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authorTakashi Iwai <tiwai@suse.de>2021-02-15 09:06:39 +0100
committerTakashi Iwai <tiwai@suse.de>2021-02-15 09:07:01 +0100
commitde1528ee7cb7c161444dadbc971d050bebb5cbe7 (patch)
treea1f53cd279966802de097c0f0f6625b49e6903f1 /arch/riscv/kernel/stacktrace.c
parent0d3070f5e6551d8a759619e85736e49a3bf40398 (diff)
parent15447b64789d9ade71eb374d5ae1f37d0bbce0bd (diff)
Merge branch 'for-next' into for-linus
Unification of 5.12-devel branches. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/riscv/kernel/stacktrace.c')
-rw-r--r--arch/riscv/kernel/stacktrace.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 48b870a685b3..df5d2da7c40b 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -14,7 +14,7 @@
#include <asm/stacktrace.h>
-register unsigned long sp_in_global __asm__("sp");
+register const unsigned long sp_in_global __asm__("sp");
#ifdef CONFIG_FRAME_POINTER
@@ -28,9 +28,8 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
sp = user_stack_pointer(regs);
pc = instruction_pointer(regs);
} else if (task == NULL || task == current) {
- const register unsigned long current_sp = sp_in_global;
fp = (unsigned long)__builtin_frame_address(0);
- sp = current_sp;
+ sp = sp_in_global;
pc = (unsigned long)walk_stackframe;
} else {
/* task blocked in __switch_to */