On Fri, Aug 23, 2019 at 10:13:14AM +0200, Thomas Hellström (VMware) wrote: > From: Thomas Hellstrom <[email protected]> > > The new header is intended to be used by drivers using the backdoor. > Follow the kvm example using alternatives self-patching to > choose between vmcall, vmmcall and io instructions. > > Also define two new CPU feature flags to indicate hypervisor support > for vmcall- and vmmcall instructions.
I could use some of the explanation why we need two feature flags added here from: https://lkml.kernel.org/r/[email protected] Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
