On Wed, 2005-09-14 at 09:37 -0400, Jim C. Brown wrote: > VMware handles kernel code. You are right that x86 code can't be 100% > virtualized > (even at the userland level) but VMware uses a lot of nasty disgusting tricks > in order to work around them. (For example, playing with shadow pagetables > so that a page of modified code is run but if the code tries to inspect itself > it sees another (unexecuted) page that contains the original code.) >
Why disgusting? Seems like a smart implementation given the options at hand. Perhaps you meant disgusting because the Intel architecture forces a virtualizer to handle a bunch of corner cases like this. -- John. _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
