linux-kernel - [PATCH v2 2/5] iio/test-format: build kunit tests without structleak plugin

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Message-Id: <20210929212713.1213476-3-brendanhiggins@google.com>
Date:   Wed, 29 Sep 2021 14:27:10 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     shuah@...nel.org, davidgow@...gle.com, arnd@...db.de,
        keescook@...omium.org, rafael@...nel.org, jic23@...nel.org,
        lars@...afoo.de, ulf.hansson@...aro.org, andreas.noever@...il.com,
        michael.jamet@...el.com, mika.westerberg@...ux.intel.com,
        YehezkelShB@...il.com, masahiroy@...nel.org,
        michal.lkml@...kovi.net, ndesaulniers@...gle.com
Cc:     linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        gregkh@...uxfoundation.org, linux-iio@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-hardening@...r.kernel.org, linux-kbuild@...r.kernel.org,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH v2 2/5] iio/test-format: build kunit tests without structleak plugin

The structleak plugin causes the stack frame size to grow immensely when
used with KUnit:

../drivers/iio/test/iio-test-format.c: In function ‘iio_test_iio_format_value_fixedpoint’:
../drivers/iio/test/iio-test-format.c:98:1: warning: the frame size of 2336 bytes is larger than 2048 bytes [-Wframe-larger-than=]

Turn it off in this file.

Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
Suggested-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Kees Cook <keescook@...omium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
Changes since last revision:
 - None
---
 drivers/iio/test/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/test/Makefile b/drivers/iio/test/Makefile
index f1099b4953014..467519a2027e5 100644
--- a/drivers/iio/test/Makefile
+++ b/drivers/iio/test/Makefile
@@ -5,3 +5,4 @@
 
 # Keep in alphabetical order
 obj-$(CONFIG_IIO_TEST_FORMAT) += iio-test-format.o
+CFLAGS_iio-test-format.o += $(DISABLE_STRUCTLEAK_PLUGIN)
-- 
2.33.0.685.g46640cef36-goog