Gleb Natapov wrote:
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.
Your patch is more complete.
There are now at least three users: you, kvm, and newer Infiniband
HCAs. Care to resurrect the patch?
--
Any sufficiently difficult bug is indistinguishable from a feature.
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