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    SubjectRe: [PATCH 1/8] SGI x86_64 UV: Add limit console output function


    Steven Rostedt wrote:
    > On Mon, 2009-10-26 at 08:02 +0100, Andi Kleen wrote:
    >
    >> Also more work could be done to make CPU boot up less verbose without
    >> sacrifying debuggability if something goes wrong.
    >
    > What about moving printks over to trace_printk or something. And that
    > way we can have a "boot up" ring buffer that can later be retrieved if
    > something goes wrong. It already dumps to the console on panic/oops.
    >
    > The trace_printk will be hidden and is very fast.
    >
    > -- Steve
    >

    I haven't heard of "trace_printk" but how does this differ from the
    existing kernel log buffer you get with 'dmesg'?

    Thanks,
    Mike



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