On Fri, Sep 25, 2020 at 04:00:40AM +0300, Jarkko Sakkinen wrote: > I renamed it as vsgx.S (for the sake of convention).
Right. > I have not authored this patch but what I would propose is to use just > raw value in the place of these constants. It is practially just a > boolean value. > > I can also add sgx_vdso.h to uapi directory. I just don't see the point. Just be very cautious what you add to the uapi/ directory because it becomes API and there's no changing it. That's why I point you guys to it, to think hard what you expose there and that it becomes contract with luserspace. > > I can see why you would write "TCS" though - there's a thread control > > structure thing too in that patch. > > Renamed. See Sean's reply. > /** > * typedef sgx_enclave_exit_handler_t - Exit handler function accepted by > * __vdso_sgx_enter_enclave() > * @rdi: RDI snapshot > * @rsi: RSI snapshot > * @rdx: RDX snapshot > * @rsp: RSP snapshot (untrusted stack) > * @r8: R8 snapshot > * @r9: R9 snapshot I'd say here: "The registers' content is the snapshot made at enclave exit." > Also, I renamed 'r' as 'run' in some places. > > End result: > > https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-sgx.git/tree/arch/x86/include/uapi/asm/sgx.h > > I'm wondering this sentence: > > "The calling convention is custom and does not follow System V x86-64 ABI." Yeah, I was wondering what that meant too. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
