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

* 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

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