Il 31/10/2013 09:05, Arthur Chunqi Li ha scritto: >> > >> > Basically everything that accesses the dirty_bitmap field of struct >> > kvm_memory_slot is involved. It all starts when the >> > KVM_SET_USER_MEMORY_REGION ioctl is called with the >> > KVM_MEM_LOG_DIRTY_PAGES flag set. > I find the mechanism here is set all pages read-only to track all the > dirty pages. But EPT provides such a dirty bit in EPT paging > structures. Why don't we use this?
It doesn't provide it on all processors. Check eptad in /sys/module/kvm_intel/parameters. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
