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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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