Avi Kivity wrote: > On 11/05/2009 06:50 PM, Anthony Liguori wrote: > >>I'm worrying that we're transforming one problem into two different > >>ones. Expanding the scope of qemu, and making it more difficult to > >>use advanced networking functionality. > > > > > >Do you object to the idea of having qemu call to a helper program > >directly or to the idea of having the helper program in qemu at all? > > Both, the former much less that the latter. > > I dislike helper programs, I find them inefficient especially at runtime > as the penalties of fork() on a memory hog (esp. one that uses mmu > notifiers like qemu+kvm) are considerable.
Note that system() does not used fork() these days. It should not be affected by process size. -- Jamie