From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
fweisbec@gmail.com, tglx@linutronix.de,
Johannes Berg <johannes@sipsolutions.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
Greg KH <gregkh@suse.de>,
linux-tip-commits@vger.kernel.org, stable@kernel.org
Subject: Re: [tip:tracing/syscalls] tracing/core: fix early free of cpumasks
Date: Thu, 2 Apr 2009 03:55:31 +0200 [thread overview]
Message-ID: <20090402015531.GA12489@elte.hu> (raw)
In-Reply-To: <20090402011232.GA32066@goodmis.org>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> This never made it into 2.6.29, nor do I see it yet in mainline.
>
> This can cause unpredictable results with ftrace. We are freeing a
> cpu mask that will be later used.
Yes ... but CONFIG_OFFSTACK is only possible as a debug option right
now. So it's far less serious of an issue, it needs 2-3 unlikely
features to be combined.
The fix looks simple enough, so once the tracing tree is upstream,
we can forward it to -stable.
Ingo
next prev parent reply other threads:[~2009-04-02 1:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-16 0:45 [PATCH] tracing/core: fix early free of cpumasks Frederic Weisbecker
2009-03-16 8:19 ` [tip:tracing/syscalls] " Frederic Weisbecker
2009-04-02 1:12 ` Steven Rostedt
2009-04-02 1:55 ` Ingo Molnar [this message]
2009-04-02 2:42 ` Steven Rostedt
2009-04-02 3:17 ` Ingo Molnar
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