On Thu, Jun 29, 2023 at 12:15:13AM +0000, Huang, Kai wrote: > > Can be called locally or through an IPI function call. > > > > Thanks. As in another reply, if using spinlock is OK, then I think we can say > it will be called either locally or through an IPI function call. Otherwise, we > do via a new separate function tdx_global_init() and no lock is needed in that > function. The caller should call it properly. IPI must use raw_spinlock_t. I'm ok with using raw_spinlock_t if there's actual need for that, but the code as presented didn't -- in comments or otherwise -- make it clear why it was as it was. TDX not specifying time constraints on the various TD/SEAM-CALLs is ofcourse sad, but alas.
