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

[Ingo Molnar]

* Willy Tarreau <w@xxxxxx> 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