linux-hardening - Re: [PATCH v2 01/14] lib/string: extract generic strlen() into __generic

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Message-ID: <aWYDYRVmad6k14fZ@smile.fi.intel.com>
Date: Tue, 13 Jan 2026 10:33:37 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Feng Jiang <jiangfeng@...inos.cn>
Cc: pjw@...nel.org, palmer@...belt.com, aou@...s.berkeley.edu,
	alex@...ti.fr, kees@...nel.org, andy@...nel.org,
	akpm@...ux-foundation.org, ebiggers@...nel.org,
	martin.petersen@...cle.com, ardb@...nel.org,
	ajones@...tanamicro.com, conor.dooley@...rochip.com,
	samuel.holland@...ive.com, linus.walleij@...aro.org,
	nathan@...nel.org, linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2 01/14] lib/string: extract generic strlen() into
 __generic_strlen()

On Tue, Jan 13, 2026 at 04:27:35PM +0800, Feng Jiang wrote:
> To support performance benchmarking in KUnit tests, extract the
> generic C implementation of strlen() into a standalone function
> __generic_strlen(). This allows tests to compare architecture-optimized
> versions against the generic baseline without duplicating code.

...

> +size_t strlen(const char *s)
> +{
> +	return __generic_strlen(s);
> +}
>  EXPORT_SYMBOL(strlen);

There is no point anymore to have this as an exported function, right? So it can
be moved to string.h as static inline.

-- 
With Best Regards,
Andy Shevchenko