On 02/12/15 07:14, Tian, Kevin wrote: >> From: David Vrabel [mailto:david.vra...@citrix.com] >> Sent: Saturday, November 14, 2015 2:50 AM >> >> This RFC series improves the performance of EPT by reducing the impact >> of the translation invalidations (ept_sync_domain()). Two approaches >> are used: >> >> a) Removing unnecessary invalidations after fixing misconfigured >> entries (after a type change). >> >> b) Deferring invalidations until the p2m write lock is released. > > Do you have a sense which one above incurs more overhead?
No, but fixing (a) probably gives us the biggest win since it removes the sync entirely. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
