Re: [tip:tracing/syscalls] tracing/core: fix early free of cpumasks

From: Ingo Molnar
Date: Wed Apr 01 2009 - 21:57:22 EST



* Steven Rostedt <rostedt@xxxxxxxxxxx> 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
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