Messages in this thread | | | Subject | Re: [BUG] long freezes on thinkpad t60 | From | Miklos Szeredi <> | Date | Mon, 18 Jun 2007 10:34:57 +0200 |
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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.
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