Write-Back Invalidate/Invalidate.
false if WBINVD/INVD from threads sharing this cache acts upon lower level caches for threads sharing this cache.
true if WBINVD/INVD is not guaranteed to act upon lower level caches of non-originating threads sharing this cache.
Write-Back Invalidate/Invalidate. false if WBINVD/INVD from threads sharing this cache acts upon lower level caches for threads sharing this cache. true if WBINVD/INVD is not guaranteed to act upon lower level caches of non-originating threads sharing this cache.