Hi Juergen,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.10]
[cannot apply to xen-tip/linux-next tip/x86/core tip/x86/asm next-20201217]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when
The central pvops call macros PVOP_CALL() and PVOP_VCALL() are
looking very similar now.
The main differences are using PVOP_VCALL_ARGS or PVOP_CALL_ARGS, which
are identical, and the return value handling.
So drop PVOP_VCALL_ARGS and instead of PVOP_VCALL() just use
