Messages in this thread | | | Subject | Re: [PATCH 0/4] jump label patches | From | Steven Rostedt <> | Date | Tue, 06 Oct 2009 10:09:08 -0400 |
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On Mon, 2009-10-05 at 23:04 -0700, Roland McGrath wrote: > I think text_poke_fixup() is a good safe place to start, and it seems wise > to merge a version using that before worrying anything subtler. But it's > almost surely overkill and makes the enable/disable switching cost pretty > huge. The rules as documented by Intel seem to indicate that simple > self-modification can work for UP and for SMP there should be some scheme > with IPIs that is not too terrible. >
I think this is still under discussion. The thread about immediates seems to express some concern.
http://lkml.org/lkml/2009/9/24/134
-- Steve
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