linux-kernel - Re: [PATCH 1/4] lib: make test_bitops compilable into the kernel image

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Date: Fri, 3 May 2024 10:00:07 +0800
From: Kuan-Wei Chiu <visitorckw@...il.com>
To: Yury Norov <yury.norov@...il.com>
Cc: linux-kernel@...r.kernel.org,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/4] lib: make test_bitops compilable into the kernel
 image

On Thu, May 02, 2024 at 04:32:01PM -0700, Yury Norov wrote:
> The test is limited to be compiled as a module. There's no technical
> reason for it. Now that the test bears performance benchmark, it would
> be reasonable to allow running it at kernel load time, before userspace
> starts, to reduce possible jitter.
> 
> Signed-off-by: Yury Norov <yury.norov@...il.com>
> ---
>  lib/Kconfig.debug | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index c63a5fbf1f1c..fc8fe1ea5b49 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -2436,7 +2436,6 @@ config TEST_LKM
>  
>  config TEST_BITOPS
>  	tristate "Test module for compilation of bitops operations"
> -	depends on m


Perhaps it would be better to modify the description in the following
help section at the same time?

Reviewed-by: Kuan-Wei Chiu <visitorckw@...il.com>

>  	help
>  	  This builds the "test_bitops" module that is much like the
>  	  TEST_LKM module except that it does a basic exercise of the
> -- 
> 2.40.1
>