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    SubjectRe: [PATCH][RFC] vsprintf: unify the format decoding layer for its 3 users

    * Andrew Morton <akpm@linux-foundation.org> wrote:

    > On Fri, 27 Feb 2009 07:19:37 +0100 Frederic Weisbecker <fweisbec@gmail.com> wrote:
    >
    > > An new optimization is making its way to ftrace. Its purpose
    > > is to make ftrace_printk() consuming less memory and be
    > > faster.
    > >
    > > Written by Lai Jiangshan, the approach is to delay the
    > > formatting job from tracing time to output time. Currently,
    > > a call to ftrace_printk will format the whole string and
    > > insert it into the ring buffer.
    >
    > It does that? eek.

    hm, did you expect something else from a printf based interface?

    Ingo


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