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authorTakashi Iwai <tiwai@suse.de>2021-01-26 07:51:48 +0100
committerTakashi Iwai <tiwai@suse.de>2021-01-26 07:51:48 +0100
commit4f2da3324eaff382ab1c6aaef8c10180b2f4d08c (patch)
tree38dab378ba4ad014d83151f020cc1e5979be0d6d /arch/riscv/kernel/stacktrace.c
parent6755568ad111394da224c823e8baf31a05a1469c (diff)
parent30e88d017fcbeb50c4b07577fe059558361067e7 (diff)
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Merge tag 'tags/isa-void-remove-callback' into for-next
isa: Make the remove callback for isa drivers return void Link: https://lore.kernel.org/r/20210122092449.426097-1-uwe@kleine-koenig.org 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 */