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riscv: Drop const annotation for sp

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The const annotation should not be used for 'sp', or it will
become read only and lead to bad stack output.

Fixes: dec822771b01 ("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>
This commit is contained in:
Kefeng Wang 2021-03-17 23:08:38 +08:00 committed by Palmer Dabbelt
parent a5e13c6df0
commit 23c1075ae8
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1 changed files with 1 additions and 1 deletions
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arch/riscv/kernel/stacktrace.c
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@ -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