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-rw-r--r--lib/Kconfig.debug9
-rw-r--r--lib/memcpy_kunit.c2
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 881c3f84e88a..149d6403b8a9 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2566,6 +2566,15 @@ config MEMCPY_KUNIT_TEST
If unsure, say N.
+config MEMCPY_SLOW_KUNIT_TEST
+ bool "Include exhaustive memcpy tests"
+ depends on MEMCPY_KUNIT_TEST
+ default y
+ help
+ Some memcpy tests are quite exhaustive in checking for overlaps
+ and bit ranges. These can be very slow, so they are split out
+ as a separate config, in case they need to be disabled.
+
config IS_SIGNED_TYPE_KUNIT_TEST
tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS
depends on KUNIT
diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c
index 89128551448d..887926f04731 100644
--- a/lib/memcpy_kunit.c
+++ b/lib/memcpy_kunit.c
@@ -309,6 +309,8 @@ static void set_random_nonzero(struct kunit *test, u8 *byte)
static void init_large(struct kunit *test)
{
+ if (!IS_ENABLED(CONFIG_MEMCPY_SLOW_KUNIT_TEST))
+ kunit_skip(test, "Slow test skipped. Enable with CONFIG_MEMCPY_SLOW_KUNIT_TEST=y");
/* Get many bit patterns. */
get_random_bytes(large_src, ARRAY_SIZE(large_src));