Commit 0eb0bd21 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Huacai Chen
Browse files

LoongArch: Remove STACK_FRAME_NON_STANDARD(do_syscall) 



For now, we can remove STACK_FRAME_NON_STANDARD(do_syscall) because
there is no objtool warning "do_syscall+0x11c: return with modified
stack frame", then there is handle_syscall() which is the previous
frame of do_syscall() in the call trace when executing the command
"echo l > /proc/sysrq-trigger".

Fixes: a0f7085f ("LoongArch: Add RANDOMIZE_KSTACK_OFFSET support")
Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent a7e08377

arch/loongarch/kernel/syscall.c

+0 −4
Original line number Diff line number Diff line
@@ -79,7 +79,3 @@ void noinstr __no_stack_protector do_syscall(struct pt_regs *regs) 


	syscall_exit_to_user_mode(regs);

}
 


#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET

STACK_FRAME_NON_STANDARD(do_syscall);

#endif