linux-kernel - Re: [PATCH 16/16] ptrace: remove the extra wake_up_process() from ptrace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20101221175439.GA19434@redhat.com>
Date:	Tue, 21 Dec 2010 18:54:39 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	roland@...hat.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	rjw@...k.pl, jan.kratochvil@...hat.com
Subject: Re: [PATCH 16/16] ptrace: remove the extra wake_up_process() from
	ptrace_detach()

On 12/06, Tejun Heo wrote:
>
> --- a/kernel/ptrace.c
> +++ b/kernel/ptrace.c
> @@ -391,8 +391,6 @@ int ptrace_detach(struct task_struct *child, unsigned int data)
>  	if (child->ptrace) {
>  		child->exit_code = data;
>  		dead = __ptrace_detach(current, child);
> -		if (!child->exit_state)
> -			wake_up_process(child);

I can only repeat that I obviously like this change ;)

Now that Jan and Roland do not object, perhaps it can be sent as 2/X.
This is bugfix, after all (like the first patch).

Oleg.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/