On 12/06/21 01:56, David Matlack wrote:
This patch series adds support for the TDP MMU in the fast_page_fault
path, which enables certain write-protection and access tracking faults
to be handled without taking the KVM MMU lock. This series brings the
performance of these faults up to par with the legacy MMU.
Hi David,
I have one very basic question: is the speedup due to lock contention,
or to cacheline bouncing, or something else altogether? In other words,
what do the profiles look like before vs. after these patches?
Thanks,
Paolo
