On Fri, Feb 10, 2023 at 06:41:54PM +0000, Sean Christopherson wrote: > Anyways, tying things back to the actual code being discussed, I vote against > CC_ATTR_PARAVISOR. Being able to trust device emulation is not unique to a > paravisor. A single flag also makes too many assumptions about what is trusted > and thus should be accessed encrypted. I'm not crazy about the alternative either: one flag per access type: IO APIC, vTPM, and soon. Soon this will become an unmaintainable zoo of different guest types people want the kernel to support. I don't think I want that madness in kernel proper. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette