02.06.2014 17:30, Alex Williamson wrote: > On Mon, 2014-06-02 at 14:32 +0400, Michael Tokarev wrote: >> 01.06.2014 20:25, Alex Williamson wrote: >>> The latest Nvidia driver (337.88) specifically checks for KVM as the >>> hypervisor and reports Code 43 for the driver in a Windows guest when >>> found. Removing or changing the KVM signature is sufficient to allow >>> the driver to load. >> >> Hmm.. Why does it do such thing? Is it in order to prevent the driver >> to work in a virtualized windows, ie to prevent vga passthough to work? >> >> If that's the case, I think it is a lost game. Because they'll be adding >> more, cleverer, checks in the next version. > > Then they'll be pissing off more users and driving them to AMD by doing > so. In any case, having the ability to hide the hypervisor seems to > stand on it's own. What if we want to test whether a guest behavior is > the result of a paravirtual interface? What if a user wants to hide the > hypervisor in order to further reduce the exposure surface to the VM? > There are reasons beyond an arms race with Nvidia to want a feature like > this. Thanks,
You answer as if I were strongly against the change. I'm not. What I'm against is about the reasoning. This way you're just accepting the arm race. Thanks, /mjt
