From: David Howells <dhowells@redhat.com>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@osdl.org>,
David Howells <dhowells@redhat.com>,
linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: [PATCH] elf_fdpic_core_dump: don't take tasklist_lock
Date: Mon, 14 Aug 2006 12:30:06 +0100 [thread overview]
Message-ID: <23693.1155555006@warthog.cambridge.redhat.com> (raw)
In-Reply-To: <20060813201118.GA159@oleg>
Oleg Nesterov <oleg@tv-sign.ru> wrote:
> do_each_thread() is rcu-safe, and all tasks which use this ->mm must
> sleep in wait_for_completion(&mm->core_done) at this point, so we can
> use RCU locks.
Looks reasonable.
Acked-By: David Howells <dhowells@redhat.com>
prev parent reply other threads:[~2006-08-14 11:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-13 20:11 [PATCH] elf_fdpic_core_dump: don't take tasklist_lock Oleg Nesterov
2006-08-14 11:30 ` David Howells [this message]
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