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

* Peter Zijlstra <peterz@infradead.org> wrote:

> On Tue, 2009-03-10 at 21:26 -0400, Steven Rostedt wrote:
>
> > commit 80370cb758e7ca2692cd9fb5e413d970b1f4b2b2
> > Author: Steven Rostedt <srostedt@redhat.com>
> > 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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