linux-kernel - [PATCH v2 4/5] lib/Kconfig.debug: properly split hash test kernel entries

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Message-Id: <20210926223322.848641-5-isabellabdoamaral@usp.br>
Date:   Sun, 26 Sep 2021 19:33:21 -0300
From:   Isabella Basso <isabellabdoamaral@....br>
To:     geert@...ux-m68k.org
Cc:     ferreiraenzoa@...il.com, augusto.duraes33@...il.com,
        brendanhiggins@...gle.com, dlatypov@...gle.com,
        davidgow@...gle.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, kunit-dev@...glegroups.com,
        ~lkcamp/patches@...ts.sr.ht, rodrigosiqueiramelo@...il.com,
        Isabella Basso <isabellabdoamaral@....br>
Subject: [PATCH v2 4/5] lib/Kconfig.debug: properly split hash test kernel entries

Split TEST_HASH so that each entry only has one file.

Note that there's no stringhash test file, but actually
<linux/stringhash.h> tests are performed in lib/test_hash.c.

Tested-by: David Gow <davidgow@...gle.com>
Signed-off-by: Isabella Basso <isabellabdoamaral@....br>
---
 lib/Kconfig.debug | 14 +++++++++++---
 lib/Makefile      |  3 ++-
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2a9b6dcdac4f..eb6c4daf5fcb 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2207,9 +2207,17 @@ config TEST_RHASHTABLE
 config TEST_HASH
 	tristate "Perform selftest on hash functions"
 	help
-	  Enable this option to test the kernel's integer (<linux/hash.h>),
-	  string (<linux/stringhash.h>), and siphash (<linux/siphash.h>)
-	  hash functions on boot (or module load).
+	  Enable this option to test the kernel's integer (<linux/hash.h>), and
+	  string (<linux/stringhash.h>) hash functions on boot (or module load).
+
+	  This is intended to help people writing architecture-specific
+	  optimized versions.  If unsure, say N.
+
+config TEST_SIPHASH
+	tristate "Perform selftest on siphash functions"
+	help
+	  Enable this option to test the kernel's siphash (<linux/siphash.h>) hash
+	  functions on boot (or module load).
 
 	  This is intended to help people writing architecture-specific
 	  optimized versions.  If unsure, say N.
diff --git a/lib/Makefile b/lib/Makefile
index 5efd1b435a37..c2e81d0eb31c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -61,7 +61,8 @@ obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
 obj-$(CONFIG_TEST_BITOPS) += test_bitops.o
 CFLAGS_test_bitops.o += -Werror
 obj-$(CONFIG_TEST_SYSCTL) += test_sysctl.o
-obj-$(CONFIG_TEST_HASH) += test_hash.o test_siphash.o
+obj-$(CONFIG_TEST_SIPHASH) += test_siphash.o
+obj-$(CONFIG_TEST_HASH) += test_hash.o
 obj-$(CONFIG_TEST_IDA) += test_ida.o
 obj-$(CONFIG_KASAN_KUNIT_TEST) += test_kasan.o
 CFLAGS_test_kasan.o += -fno-builtin
-- 
2.33.0