> > Is there any reason they couldn't just be merged to mainline?
quoted text
> >
> > I think it's a useful facility.
> 
> ummm, now why did we made that decision...  I think we decided that
> it's the sort of thing which one person can run once per few months
> and that will deliver its full value.  I can maintain it in -mm and
> we're happy - no need to add it to mainline.  No strong feelings
> either way really.

Apparently nobody has been doing it for a while. :-) Last time I did it it
was around the submission time and I actually patched it into mainline
kernel to do so. Not particularly hard to do, but sitting in mm-only does
make it a bit harder, and there are the vdso problem you just mentioned that
one has to fix for himself if it exists in mainline.

quoted text
> It does have the downside that the kernel explodes if someone adds
> unlikely or likely to the vdso code and I need to occasionally hunt
> down new additions and revert them in that patch.  That makes it a
> bit of a maintenance burden.

Is it possible to catch this automatically, like, by re-defining
likely/unlikely to the raw form in specific file(s)?

Hua


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