From 9d9043f6a81713248d82d88983c06b1eaedda287 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Fri, 29 Nov 2019 01:25:20 -0800 Subject: xtensa: clean up system_call/xtensa_rt_sigreturn interaction system_call assembly code always pushes pointer to struct pt_regs as the last additional parameter for all system calls. The only user of this feature is xtensa_rt_sigreturn. Avoid this special case. Define xtensa_rt_sigreturn as accepting no argiments. Use current_pt_regs to get pointer to struct pt_regs in xtensa_rt_sigreturn. Don't pass additional parameter from system_call code. Signed-off-by: Max Filippov --- arch/xtensa/include/asm/syscall.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/xtensa/include/asm/syscall.h') diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h index c90fb944f9d8..f9a671cbf933 100644 --- a/arch/xtensa/include/asm/syscall.h +++ b/arch/xtensa/include/asm/syscall.h @@ -79,7 +79,7 @@ static inline void syscall_set_arguments(struct task_struct *task, regs->areg[reg[i]] = args[i]; } -asmlinkage long xtensa_rt_sigreturn(struct pt_regs*); +asmlinkage long xtensa_rt_sigreturn(void); asmlinkage long xtensa_shmat(int, char __user *, int); asmlinkage long xtensa_fadvise64_64(int, int, unsigned long long, unsigned long long); -- cgit v1.2.3