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

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Message-ID: <ZjRK1+Td32rx8r9Q@visitorckw-System-Product-Name>
Date: Fri, 3 May 2024 10:24:23 +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 07:14:10PM -0700, Yury Norov wrote:
> On Fri, May 03, 2024 at 10:00:07AM +0800, Kuan-Wei Chiu wrote:
> > 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?
> 
> What exactly you want to change?
>
It seems to me that the entire description is written specifically for
the module. For instance, "doesn't run or load unless explicitly
requested by name. for example: modprobe test_bitops." In my view, this
description is no longer accurate.

Regards,
Kuan-Wei

> > 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
> > >