> From: Dexuan Cui > [...] > The existing asm code for __tdx_hypercall() passes through R10~R15 > (see TDVMCALL_EXPOSE_REGS_MASK) to the (KVM) hypervisor. > > Unluckily, for Hyper-V, we need to pass through RDX, R8, R10 and R11 > to Hyper-V, so I don't think I can use the existing __tdx_hypercall() ? I'm checking with the Hyper-V team to see if it's possible for them to not use RDX and R8, and use R12 and R13 instead. Will keep the thread updated.
