Il 03/10/2013 12:23, Gleb Natapov ha scritto: >> > The commit message mentioned that "mmu_free_roots() is somewhat of an overkill, >> > but fixing that is more complicated and will be done after this minimal fix". >> > One year has passed, and no one really felt the need to do a different fix. >> > Wrap the call with a kvm_mmu_new_cr3 function for clarity, but remove the >> > callback. >> > > Well the reason for it is because whoever knew about the problem found > other things to do meanwhile :) But do we really need something smarter > here anyway? The situation described in e676505 should be extremely rare > even on non unrestricted guest HW and it happens during slow emulation > anyway, so optimization will likely not be noticeable. Yeah, and it's not like code that runs without paging will move to cr3 in a hot loop. :) Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
