On Tue, 2025-02-11 at 10:54 +0800, Binbin Wu wrote: > Have ____kvm_emulate_hypercall() read the GPRs instead of passing them > in via the macro. > > When emulating KVM hypercalls via TDVMCALL, TDX will marshall registers of > TDVMCALL ABI into KVM's x86 registers to match the definition of KVM > hypercall ABI _before_ ____kvm_emulate_hypercall() gets called. Therefore, > ____kvm_emulate_hypercall() can just read registers internally based on KVM > hypercall ABI, and those registers can be removed from the > __kvm_emulate_hypercall() macro. > > Also, op_64_bit can be determined inside ____kvm_emulate_hypercall(), > remove it from the __kvm_emulate_hypercall() macro as well. > > No functional change intended. > > Reviewed-by: Kai Huang <kai.huang@xxxxxxxxx>
