bianbu-repo-mirror/bianbu-linux-6.6
1
0
Fork 0
mirror of https://gitee.com/bianbu-linux/linux-6.6 synced 2025-04-26 14:17:26 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

riscv: stacktrace: Move register keyword to beginning of declaration

Browse source 
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 <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Kefeng Wang 2021-01-14 10:46:57 +08:00 • committed by Palmer Dabbelt
parent 0983834a83
commit dec822771b
No known key found for this signature in database
GPG key ID: 2E1319F35FBB1889
1 changed files with 2 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
arch/riscv/kernel/stacktrace.c
View file

@ -14,7 +14,7 @@
#include <asm/stacktrace.h> #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 #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); sp = user_stack_pointer(regs);
pc = instruction_pointer(regs); pc = instruction_pointer(regs);
} else if (task == NULL || task == current) { } else if (task == NULL || task == current) {
const register unsigned long current_sp = sp_in_global;
fp = (unsigned long)__builtin_frame_address(0); fp = (unsigned long)__builtin_frame_address(0);
sp = current_sp; sp = sp_in_global;
pc = (unsigned long)walk_stackframe; pc = (unsigned long)walk_stackframe;
} else { } else {
/* task blocked in __switch_to */ /* task blocked in __switch_to */