Re: [RFC PATCH] kernel-doc: handle X86 DEFINE_IDTENTRY() variants

From: Jonathan Corbet
Date: Wed Jan 03 2024 - 15:36:34 EST


Randy Dunlap <rdunlap@xxxxxxxxxxxxx> writes:

> Teach scripts/kernel-doc to handle the various DEFINE_IDTENTRY*() flavors.
>
> This corrects 2 kernel-doc warnings:
>
> arch/x86/entry/common.c:211: warning: expecting prototype for int80_emulation(). Prototype was for DEFINE_IDTENTRY_RAW() instead
>
> arch/x86/kernel/apic/apic.c:2170: warning: expecting prototype for spurious_interrupt(). Prototype was for DEFINE_IDTENTRY_IRQ() instead
>
> The script uses 'uname -m' to determine if it is running on i386 or x86_64
> or something else. It also uses "ARCH=<arch>" in the environment variables
> to allow for overriding the processed ARCH.
>
> Alternatively, we could remove the "/**" kernel-doc markers from those
> 2 functions. There are 60 uses of DEFINE_IDTENTRY*() that I see and
> only 2 of them have kernel-doc comments.

So I feel like I'm missing something here; the docs build should be the
same regardless of the architecture it's running on, right? So why do
we need architecture checks in kernel-doc?

Honestly, it might be better to just remove the kerneldoc comments
rather than add this much more complexity.

Thanks,

jon