On Sat, Feb 18, 2012 at 07:01:24PM +0100, Manuel Bouyer wrote:
> >  - the calls to pmap_update() should be moved along with the calls to
> >    pmap_kremove().
> 
> But not all pmap_kremove() are followed by a pmap_update() in the initial 
> code.
> Is it a bug ?

yes.  we don't currently defer TLB invalidations from pmap_kremove() on x86
(or probably any platform), but if we start doing that then the pmap_update()s
are needed.

-Chuck

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