linux-kernel - Re: [PATCH v6 0/2] lib: checksum: Fix issues with checksum tests

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Message-ID: <ZcQ38U20MLSdIxHP@ghost>
Date: Wed, 7 Feb 2024 18:09:53 -0800
From: Charlie Jenkins <charlie@...osinc.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Guenter Roeck <linux@...ck-us.net>,
	David Laight <David.Laight@...lab.com>,
	Palmer Dabbelt <palmer@...belt.com>, linux-kernel@...r.kernel.org,
	kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v6 0/2] lib: checksum: Fix issues with checksum tests

On Wed, Feb 07, 2024 at 05:45:22PM -0800, Andrew Morton wrote:
> On Wed, 07 Feb 2024 16:22:49 -0800 Charlie Jenkins <charlie@...osinc.com> wrote:
> 
> > The ip_fast_csum and csum_ipv6_magic tests did not have the data
> > types properly casted, and improperly misaligned data.
> 
> Neither this nor the two patch's changelogs describe *why* these changes
> are needed.  They merely assert that we need to do this.
> 
> IOW, when fixing a bug please always describe the user-visible effects
> of that bug.
> 

I can add a description that says that the tests are being fixed because
they caused failures on systems without misaligned access support. As
for the casting patch it's a bit less pertinent but I can add that it
allows the code to pass sparse checks.

- Charlie