Re: [RFC PATCH v2 3/6] x86/pti: add a per-cpu variable pti_disable

[Ingo Molnar]

* Willy Tarreau <w...@1wt.eu> wrote:

> [...] If we had "pit_enabled", something like this could be confusing because 
> it's not obvious whether this pti_enabled *enforces* PTI or if its absence 
> disables it :
> 
>       cmpb $0, PER_CPU_VAR(pti_enabled)
>       jz .Lend\@

The natural sequence would be:

        cmpb $1, PER_CPU_VAR(pti_enabled)
        jne .Lend\@

which is not confusing to me at all.

Thanks,

        Ingo