Re: [PATCH RFC] x86/apic: skip cpu slot reservation logic on boot in case of NR_CPUS == 1

[Dave Hansen]

On 9/2/22 09:42, Yury Norov wrote:
> This is RFC because I'm not sure that this is not a false positive from
> smatch. If NR_CPUS is 1, and the condition is always true, it's simply
> optimized out by a compiler, and nothing wrong happens, except maybe a
> couple of checks on boot.

I think it's a reasonable warning, but it's also not something we need
to hack around.  We can surely only land in here with
boot_cpu_detected==true if NR_CPUS==1, so the rest of the expression is
moot.

I don't think it's worth adding the #ifdef.