Re: [GIT PULL] tracing: use raw spinlocks for trace_vprintk

[Ingo Molnar]

* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Tue, 2009-03-10 at 21:26 -0400, Steven Rostedt wrote:
> 
> > commit 80370cb758e7ca2692cd9fb5e413d970b1f4b2b2
> > Author: Steven Rostedt <srostedt@xxxxxxxxxx>
> > Date:   Tue Mar 10 17:16:35 2009 -0400
> > 
> >     tracing: use raw spinlocks for trace_vprintk
> >     
> >     Impact: prevent locking up by lockdep tracer
> >     
> >     The lockdep tracer uses trace_vprintk and thus trace_vprintk can not
> >     call back into lockdep without locking up.
> 
> Hmm, I did this when I posted the lockdep tracepoints, so someone then
> did a bad copy/paste job when renaming ftrace_printk or something?
> 
> See efed792d6738964f399a508ef9e831cd60fa4657

What's the conclusion in this thread? I'm holding the pull 
until there's agreement.

	Ingo
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