[PATCH -next V8 04/14] riscv: ptrace: Remove duplicate operation

Björn Töpel bjorn at kernel.org
Mon Dec 5 01:34:05 PST 2022


guoren at kernel.org writes:

> From: Guo Ren <guoren at linux.alibaba.com>
>
> The TIF_SYSCALL_TRACE is controlled by a common code, see
> kernel/ptrace.c and include/linux/thread.h.

                                    ^^^ thread_info.h
>
> clear_task_syscall_work(child, SYSCALL_TRACE);
>
> Signed-off-by: Guo Ren <guoren at linux.alibaba.com>
> Signed-off-by: Guo Ren <guoren at kernel.org>
> Reviewed-by: Oleg Nesterov <oleg at redhat.com>
> ---
>  arch/riscv/kernel/ptrace.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
> index 2ae8280ae475..44f4b1ca315d 100644
> --- a/arch/riscv/kernel/ptrace.c
> +++ b/arch/riscv/kernel/ptrace.c
> @@ -212,7 +212,6 @@ unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n)
>  
>  void ptrace_disable(struct task_struct *child)
>  {
> -	clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
>  }
>  
>  long arch_ptrace(struct task_struct *child, long request,

This patch is also not neccesary for the series, but should be a
separate cleanup.



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