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| author | Nicolas Pitre <npitre@baylibre.com> | 2024-07-07 15:05:20 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:43:22 -0700 |
| commit | 1635e62e75a7bbb1c6274f6b43911cedfe0da60a (patch) | |
| tree | 9e79a2900f4571c6b988d1baab8018f70d8d0fd3 /lib/Kconfig.debug | |
| parent | mul_u64_u64_div_u64: make it precise always (diff) | |
| download | linux-1635e62e75a7bbb1c6274f6b43911cedfe0da60a.tar.gz linux-1635e62e75a7bbb1c6274f6b43911cedfe0da60a.zip | |
mul_u64_u64_div_u64: basic sanity test
Verify that edge cases produce proper results, and some more.
[npitre@baylibre.com: avoid undefined shift value]
Link: https://lkml.kernel.org/r/7rrs9pn1-n266-3013-9q6n-1osp8r8s0rrn@syhkavp.arg
Link: https://lkml.kernel.org/r/20240707190648.1982714-3-nico@fluxnic.net
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Cc: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index a30c03a66172..bf0995d328b3 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2280,6 +2280,16 @@ config TEST_DIV64 If unsure, say N. +config TEST_MULDIV64 + tristate "mul_u64_u64_div_u64() test" + depends on DEBUG_KERNEL || m + help + Enable this to turn on 'mul_u64_u64_div_u64()' function test. + This test is executed only once during system boot (so affects + only boot time), or at module load time. + + If unsure, say N. + config TEST_IOV_ITER tristate "Test iov_iter operation" if !KUNIT_ALL_TESTS depends on KUNIT |