Re: [PATCH] x86/sgx: Use ENCLS mnemonic in <kernel/cpu/sgx/encls.h>

[Uros Bizjak]

On Tue, Jun 17, 2025 at 5:01 PM Dave Hansen <dave.hansen@xxxxxxxxx> wrote:
>
> On 6/17/25 07:44, Jarkko Sakkinen wrote:
> > I don't really see how this is that useful. That said, f a bug fix or
> > feature used encls mnemonic, I'd had no problems with acking it.
>
> It's not _that_ useful.
>
> But old assemblers that we still want to use *NEVER* have support for
> newfanlged instructions, so we always add new instructions with ".byte".
> Then, a few years down the road when we've moved to just old assemblers
> instead of super old assemblers, we move to the real instruction names.

That, and the code becomes self-documenting. You don't have to scratch
your head what the .byte stream represents when reading assembly.

Uros.