Re: [ofa-general] [PATCH][RFC]: pte notifiers -- support for external page tables

Gleb Natapov
2007-09-06T06:24:41Z

On Wed, Sep 05, 2007 at 07:38:48PM +0300, Avi Kivity wrote:
> This sample patch adds a new mechanism, pte notifiers, that allows drivers
> to register an interest in a changes to ptes. Whenever Linux changes a
> pte, it will call a notifier to allow the driver to adjust the external
> page table and flush its tlb.
How is this different from http://lwn.net/Articles/133627/? AFAIR the
patch was rejected because there was only one user for it and it was
decided that it would be better to maintain it out of tree for a while.

--
Gleb.