From: Kefeng Wang Date: Thu, 14 Jan 2021 02:46:57 +0000 (+0800) Subject: riscv: stacktrace: Move register keyword to beginning of declaration X-Git-Tag: v5.11-rc4~8^2~3 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=dec822771b01;p=linux-block.git riscv: stacktrace: Move register keyword to beginning of declaration Using global sp_in_global directly to fix the following warning, arch/riscv/kernel/stacktrace.c:31:3: warning: ‘register’ is not at beginning of declaration [-Wold-style-declaration] 31 | const register unsigned long current_sp = sp_in_global; | ^~~~~ Signed-off-by: Kefeng Wang Signed-off-by: Palmer Dabbelt --- 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 -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 */