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    SubjectRe: [PATCH] tracing: Cleanup the convoluted softirq tracepoints
    On Tue, 19 Oct 2010, Thomas Gleixner wrote:
    > On Tue, 19 Oct 2010, Jason Baron wrote:
    > > > Now even worse, when you NOP out the jmpq then your tracepoint is
    > > > still not enabled. Brilliant !
    > > >
    > >
    > > The 'jmpq' in the enabled case is patched with a jmpq to the body of the
    > > tracepoint itself.
    >
    > Brilliant.

    IOW, We now jump around the jump which jumps around the disabled code.

    Thanks,

    tglx



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