linux-kernel - Re: [PATCH v3 3/4] cpumask: Switch from inline to __always

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Message-ID: <Zq1NdFXhN3IoYm3M@google.com>
Date: Fri, 2 Aug 2024 14:19:48 -0700
From: Brian Norris <briannorris@...omium.org>
To: Yury Norov <yury.norov@...il.com>
Cc: linux-kernel@...r.kernel.org, Bill Wendling <morbo@...gle.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Justin Stitt <justinstitt@...gle.com>,
	Nick Desaulniers <ndesaulniers@...gle.com>, llvm@...ts.linux.dev,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Kees Cook <kees@...nel.org>
Subject: Re: [PATCH v3 3/4] cpumask: Switch from inline to __always_inline

On Thu, Jul 18, 2024 at 05:50:39PM -0700, Brian Norris wrote:
> On recent (v6.6+) builds with Clang (based on Clang 18.0.0) and certain
> configurations [0], I'm finding that (lack of) inlining decisions may
> lead to section mismatch warnings like the following:
> 
>   WARNING: modpost: vmlinux.o: section mismatch in reference:
>   cpumask_andnot (section: .text) ->
>   cpuhp_bringup_cpus_parallel.tmp_mask (section: .init.data) ERROR:
>   modpost: Section mismatches detected.
...

Hi Yury,

I'm wondering if you've had a chance to look at this latest series. I
believe I refactored it the way you recommended.

Regards,
Brian