On Fri, Feb 23, 2024 at 09:22:58AM +0000, Christophe Leroy wrote: > > > Le 23/02/2024 à 08:22, Michael Ellerman a écrit : > > Palmer Dabbelt <palmer@xxxxxxxxxxx> 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@xxxxxxxxxxxx> > >>> --- > >>> 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@xxxxxxxxxxxx > > ... > >>> > >>> --- > >>> 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@xxxxxxxxxxxx> > >> > >> 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@xxxxxxxxxxxxxx> (powerpc) > > It magically works, but patch 1 is wrong and patch 2 subject is > unrelated to the problem on powerpc. > > This fix series needs rework. > > Christophe I will rearrange the patches so that patch 1 fixes the endianness and patch 2 addresses alignment. The second patch is subject to endianness and alignment and the title only including alignment (but the body including both) is the source of confusion. - Charlie