Re: [PATCH 0/4] jump label patches

[Steven Rostedt]

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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