On 04/18/19 at 12:32pm, Matthew Garrett wrote: > On Wed, Apr 17, 2019 at 8:44 PM Dave Young <[email protected]> wrote: > > So why we still need delete/cleanup the dummy var after entering virt > > mode? Am I missing something? > > I can't think of any reason why you'd need to do this on kexec, but > it's vital to do so in the real enter_virtual_mode() path. It should > be safe to remove it from kexec_enter_virtual_mode(), but on the other > hand it shouldn't be crashing, so I'd recommend figuring out what else > is broken first rather than just deleting it.
Appreciate if you can elaborate a bit, I still do not understand why it is vital. About the kexec case, system just reset, the test os runs with ovmf in a kvm guest, Secure Boot enabled. Do you have idea how to debug it? Thanks Dave
