On Mon, 2006-08-07 at 08:20 +0200, Andi Kleen wrote:
> > > I think I would prefer to patch always. Is there a particular
> > > reason you can't do that?
> >
> > We could patch all the indirect calls into direct calls, but I don't
> > think it's worth bothering: most simply don't matter.
>
> I still think it would be better to patch always.
Actually, I just figured out a neat way to do this without having to
handle all the cases by hand. I'll try it and get back to you...
> > Each backend wants a different patch, so alternative() doesn't cut it.
> > We could look at generalizing alternative() I guess, but it works fine
> > so I didn't want to touch it.
>
> You could at least use a common function (with the replacement passed
> in as argument) for lock prefixes and your stuff
I don't want to rule out patching based on location (reg lifetime etc),
but there's definitely room for combining these two. Good point.
Thanks!
Rusty.
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