linux-kernel - Re: [PATCH v9 0/2] lib: checksum: Fix issues with checksum tests

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Date: Fri, 23 Feb 2024 18:22:30 +1100
From: Michael Ellerman <mpe@...erman.id.au>
To: Palmer Dabbelt <palmer@...belt.com>, Charlie Jenkins <charlie@...osinc.com>
Cc: linux@...ck-us.net, David.Laight@...lab.com, akpm@...ux-foundation.org,
 deller@....de, James.Bottomley@...senpartnership.com,
 linux-parisc@...r.kernel.org, viro@...iv.linux.org.uk,
 linux-kernel@...r.kernel.org, Charlie Jenkins <charlie@...osinc.com>,
 lkp@...el.com
Subject: Re: [PATCH v9 0/2] lib: checksum: Fix issues with checksum tests

Palmer Dabbelt <palmer@...belt.com> writes:
> On Wed, 21 Feb 2024 18:55:48 PST (-0800), Charlie Jenkins wrote:
>> The ip_fast_csum and csum_ipv6_magic tests did not work on all
>> architectures due to differences in endianness and misaligned access
>> support. Fix those issues by changing endianness of data and aligning
>> the data.
>>
>> Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
>> ---
>> Changes in v9:
>> - Revert back to v7, the changes to v8 were not needed
>> - Link to v8: https://lore.kernel.org/r/20240214-fix_sparse_errors_checksum_tests-v8-0-36b60e673593@rivosinc.com
..
>>
>> ---
>> Charlie Jenkins (2):
>>       lib: checksum: Fix type casting in checksum kunits
>>       lib: checksum: Use aligned accesses for ip_fast_csum and csum_ipv6_magic tests
>>
>>  lib/checksum_kunit.c | 396 ++++++++++++++++++---------------------------------
>>  1 file changed, 136 insertions(+), 260 deletions(-)
>> ---
>> base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d
>> change-id: 20240119-fix_sparse_errors_checksum_tests-26b86b34d784
>
> I put a 
>
> Acked-by: Palmer Dabbelt <palmer@...osinc.com>
>
> on the v4, but looks like it got lost.  I'm happy to take this via the 
> RISC-V tree, as that's how I merged the broken patches in the first 
> place, but no big deal if someone else wants to pick it up.
>
> It looks like the issues are all resolved and such, but there's been a 
> long tail of them so I'm not 100% sure here...

I tested v9 on ppc32/64 BE, and it fixes the test failures and the
sparse errors, so LGTM.

Tested-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)

cheers