On 07/05/2019 10:55, George Dunlap wrote: > On 5/6/19 1:46 PM, Eslam Elnikety wrote: >> Give the administrator further control on when to scrub domheap pages by >> adding >> an option to always scrub. This is a safety feature that, when enabled, >> prevents a (buggy) domain from leaking secrets if it accidentally frees a >> page >> without proper scrubbing. >> >> Signed-off-by: Eslam Elnikety <[email protected]> > Now that I think about it -- Andy, isn't there a patch in the XenServer > patchqueue to enable scrubbing by default? > > I'm wondering if this should default to 'true', and people who really > want the extra performance should turn it off.
https://github.com/xenserver/xen.pg/blob/XS-8.0.x/master/0001-cc-memory-scrubbing.patch We couldn't measure a performance difference with unconditional scrubbing, so chose to do without an extra parameter to tweak. ~Andrew _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
