riscv: Drop const annotation for sp

The const annotation should not be used for 'sp', or it will become read only and lead to bad stack output. Fixes: dec8227 ("riscv: stacktrace: Move register keyword to beginning of declaration") Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
mariux64 · Apr 2, 2021 · 23c1075 · 23c1075
1 parent a5e13c6
commit 23c1075
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
@@ -14,7 +14,7 @@
 
 #include <asm/stacktrace.h>
 
-register const unsigned long sp_in_global __asm__("sp");
+register unsigned long sp_in_global __asm__("sp");
 
 #ifdef CONFIG_FRAME_POINTER