Re: [PATCH 2/3] bitmap: Rename module

From: Yury Norov
Date: Sat Jul 27 2024 - 13:35:21 EST


On Fri, Jul 26, 2024 at 04:06:57PM +0500, Muhammad Usama Anjum wrote:
> Rename module to bitmap_kunit and rename the configuration option
> compliant with kunit framework.

... , so those enabling bitmaps testing in their configs by setting
"CONFIG_TEST_BITMAP=y" will suddenly get it broken, and will likely
not realize it until something nasty will happen.

Sorry, NAK for config rename.

> Cc: kees@xxxxxxxxxx
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
> ---
> MAINTAINERS | 2 +-
> lib/Kconfig.debug | 15 ++++++++-------
> lib/Makefile | 2 +-
> lib/{test_bitmap.c => bitmap_kunit.c} | 0
> 4 files changed, 10 insertions(+), 9 deletions(-)
> rename lib/{test_bitmap.c => bitmap_kunit.c} (100%)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 12b870712da4a..289b727344d64 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3814,13 +3814,13 @@ F: include/linux/find.h
> F: include/linux/nodemask.h
> F: include/linux/nodemask_types.h
> F: include/vdso/bits.h
> +F: lib/bitmap_kunit.c
> F: lib/bitmap-str.c
> F: lib/bitmap.c
> F: lib/cpumask.c
> F: lib/cpumask_kunit.c
> F: lib/find_bit.c
> F: lib/find_bit_benchmark.c
> -F: lib/test_bitmap.c
> F: tools/include/linux/bitfield.h
> F: tools/include/linux/bitmap.h
> F: tools/include/linux/bits.h
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index a30c03a661726..6bb02990a73e7 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -2420,13 +2420,6 @@ config TEST_PRINTF
> config TEST_SCANF
> tristate "Test scanf() family of functions at runtime"
>
> -config TEST_BITMAP
> - tristate "Test bitmap_*() family of functions at runtime"
> - help
> - Enable this option to test the bitmap functions at boot.
> -
> - If unsure, say N.
> -
> config TEST_UUID
> tristate "Test functions located in the uuid module at runtime"
>
> @@ -2813,6 +2806,14 @@ config USERCOPY_KUNIT_TEST
> on the copy_to/from_user infrastructure, making sure basic
> user/kernel boundary testing is working.
>
> +config BITMAP_KUNIT_TEST
> + tristate "KUnit Test for bitmap_*() family of functions"
> + depends on KUNIT
> + default KUNIT_ALL_TESTS
> + help
> + This builds the "bitmap_kunit" module that runs tests for
> + bitmaps int the kernel making sure that there isn't any bug.
> +
> config TEST_UDELAY
> tristate "udelay test driver"
> help
> diff --git a/lib/Makefile b/lib/Makefile
> index 322bb127b4dc6..37e7359a7065e 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -84,7 +84,6 @@ obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o
> obj-$(CONFIG_TEST_PRINTF) += test_printf.o
> obj-$(CONFIG_TEST_SCANF) += test_scanf.o
>
> -obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
> ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy)
> # FIXME: Clang breaks test_bitmap_const_eval when KASAN and GCOV are enabled
> GCOV_PROFILE_test_bitmap.o := n
> @@ -388,6 +387,7 @@ CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
> obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o
> obj-$(CONFIG_SIPHASH_KUNIT_TEST) += siphash_kunit.o
> obj-$(CONFIG_USERCOPY_KUNIT_TEST) += usercopy_kunit.o
> +obj-$(CONFIG_BITMAP_KUNIT_TEST) += bitmap_kunit.o
>
> obj-$(CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED) += devmem_is_allowed.o
>
> diff --git a/lib/test_bitmap.c b/lib/bitmap_kunit.c
> similarity index 100%
> rename from lib/test_bitmap.c
> rename to lib/bitmap_kunit.c
> --
> 2.39.2