linux-kernel - Re: [PATCH] sched: mark parent and real_parent as _

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Message-ID: <20111215070857.GD14237@elte.hu>
Date:	Thu, 15 Dec 2011 08:08:57 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Kees Cook <keescook@...omium.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] sched: mark parent and real_parent as __rcu


* Kees Cook <keescook@...omium.org> wrote:

> The parent and real_parent pointers should be considered __rcu, since
> they should be held under either tasklist_lock or rcu_read_lock.
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
>  include/linux/sched.h |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)

Did you get some warning that alerted you to this problem? If 
yes then please include it in the changelog, so that people 
hitting the message can easily find it.

Same consideration applies the second patch as well.

Thanks,

	Ingo
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