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    SubjectRe: [BUG] long freezes on thinkpad t60
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    > > > This change causes the memory access of the "easy" spin-loop portion 
    > > > to be more agressive: after the REP; NOP we'd not do the 'easy-loop'
    > > > with a simple CMPB, but we'd re-attempt the atomic op.
    > >
    > > It looks as if this is going to overflow of the lock counter, no?
    >
    > hm, what do you mean? There's no lock counter.

    I mean, the repeated calls to decb will pretty soon make lock->slock
    wrap around.

    Miklos
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