On Wed, Jun 28, 2023 at 03:54:36PM +0200, Peter Zijlstra wrote: > On Wed, Jun 28, 2023 at 02:58:13PM +0200, Peter Zijlstra wrote: > > > Can someone explain to me why __tdx_hypercall() is sane (per the above) > > but then we grew __tdx_module_call() as an absolute abomination and are > > apparently using that for seam too? > > That is, why do we have two different TDCALL wrappers? Makes no sense. __tdx_module_call() is the wrapper for TDCALL. __tdx_hypercall() is the wrapper for TDG.VP.VMCALL leaf function of TDCALL. The function is used often and it uses wider range or registers comparing to the rest of the TDCALL functions. -- Kiryl Shutsemau / Kirill A. Shutemov
