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

[Steven Rostedt <rostedt@xxxxxxxxxxx>]

On Thu, 2 Apr 2009, Ingo Molnar wrote:

> 
> * 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.

And unfortunately for Johannes, he must have had all those features 
configured :-/  He spent pretty much the entire day trying to figure out 
why ftrace was broken.

-- Steve

> 
> The fix looks simple enough, so once the tracing tree is upstream, 
> we can forward it to -stable.
> 
> 	Ingo
> 
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