linux-kernel - Re: [PATCH] scsi: core: Make scsi_lib KUnit tests modular for real

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Date: Wed, 20 Mar 2024 08:07:29 -0700
From: Bart Van Assche <bvanassche@....org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Mike Christie <michael.christie@...cle.com>,
 "James E . J . Bottomley" <jejb@...ux.ibm.com>,
 "Martin K . Petersen" <martin.petersen@...cle.com>,
 Lukas Bulwahn <lukas.bulwahn@...il.com>, linux-scsi@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: core: Make scsi_lib KUnit tests modular for real

On 3/20/24 01:08, Geert Uytterhoeven wrote:
> On Tue, Mar 19, 2024 at 6:01 PM Bart Van Assche <bvanassche@...org> wrote:
>> run SCSI kunit tests is available below. And if there is a desire to run
>> SCSI tests on the target system, how about adding triggers in sysfs for
>> running kunit tests? The (GPL v2) Samsung smartphone kernel supports
>> this but I have not yet checked whether their implementation is
>> appropriate for the upstream kernel.
> 
> That would require all tests to be built-in, reducing the amount of memory
> (if any remains at all) available to the real application.

It would be great if it would be possible to convert scsi_lib_test.c
into a kernel module without exporting the functions that are being
tested. Exporting functions from scsi_lib.c only because these are
called from code in scsi_lib_test.c is not desired. More tests may be
added in the future into scsi_lib_test.c. If that would result in
exporting every static scsi_lib.c function that would make the SCSI core
harder to maintain than necessary.

Thanks,

Bart.