Re: [patch 04/17] Add pagetable accessors to pack and unpack pagetable entries

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On Monday 02 April 2007 07:56, Jeremy Fitzhardinge wrote:
> Add a set of accessors to pack, unpack and modify page table entries
> (at all levels).  This allows a paravirt implementation to control the
> contents of pgd/pmd/pte entries.  For example, Xen uses this to
> convert the (pseudo-)physical address into a machine address when
> populating a pagetable entry, and converting back to pphys address
> when an entry is read.

What do the benchmarks say with CONFIG_PARAVIRT on native hardware
compared to !CONFIG_PARAVIRT. e.g. does lmbench suffer? 

-Andi
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