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    SubjectRe: [PATCH 1/2] perf-events: Add support for supplementary event registers v2
    On Sat, Nov 13, 2010 at 11:34 AM, Peter Zijlstra <> wrote:
    > On Sat, 2010-11-13 at 11:17 +0100, Andi Kleen wrote:
    >> > That would assume a single event doesn't contain offcore and lbr, no?
    >> > Currently the extra_reg thing assumes there's only one extra reg encoded
    >> > in the config word.
    >> It would not be too hard to make it an array if that's needed.
    > I don't think we want to go there anyway, one extra_reg per config value
    > is fine.
    I think offcore goes into .config, lbr goes into extra_reg. That should take
    care of combinations as well.

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