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 Changes in v8: - Change ipv6_magic test case to use memcpy to avoid misalignment - Add Guenter's tested-by to patch 1 but not patch 2 since the later has changed - Link to v7: https://lore.kernel.org/r/20240212-fix_sparse_errors_checksum_tests-v7-0-bbd3b8f64746@xxxxxxxxxxxx Changes in v7: - Incorporate feedback for test_csum_ipv6_magic from Guenter and Al - Link to v6: https://lore.kernel.org/r/20240207-fix_sparse_errors_checksum_tests-v6-0-4caa9629705b@xxxxxxxxxxxx Changes in v6: - Fix for big endian (Guenter) - Link to v5: https://lore.kernel.org/r/20240130-fix_sparse_errors_checksum_tests-v5-0-4d8a0a337e5e@xxxxxxxxxxxx Changes in v5: - Add Guenter's tested-by - CC Andrew Morton - Link to v4: https://lore.kernel.org/r/20240124-fix_sparse_errors_checksum_tests-v4-0-bc2b8d23a35c@xxxxxxxxxxxx Changes in v4: - Pad test values with zeroes (David) - Link to v3: https://lore.kernel.org/r/20240123-fix_sparse_errors_checksum_tests-v3-0-efecc7f94297@xxxxxxxxxxxx Changes in v3: - Don't read memory out of bounds - Link to v2: https://lore.kernel.org/r/20240123-fix_sparse_errors_checksum_tests-v2-0-b306b6ce7da5@xxxxxxxxxxxx Changes in v2: - Add additional patch to fix alignment issues - Link to v1: https://lore.kernel.org/r/20240119-fix_sparse_errors_checksum_tests-v1-1-2d3df86d8d78@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 -- - Charlie
