Re: [BUG] long freezes on thinkpad t60

[Ingo Molnar]

* Miklos Szeredi <miklos@xxxxxxxxxx> wrote:

> > > > 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.

ugh, indeed, bad thinko on my part. I'll rework this.

	Ingo
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