Re: [PATCH 06/16] ptrace: Remove unnecessary locking in ptrace_(get|set)siginfo

[Oleg Nesterov]

On 05/18, Eric W. Biederman wrote:
>
> Since commit 9899d11f6544 ("ptrace: ensure arch_ptrace/ptrace_request
> can never race with SIGKILL") it has been unnecessary for
> ptrace_getsiginfo and ptrace_setsiginfo to use lock_task_sighand.

ACK