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[87.217.75.178]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a1f5a4c5d6sm20341715f8f.83.2025.05.14.12.24.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 May 2025 12:24:33 -0700 (PDT) From: =?utf-8?q?Sergio_Gonz=C3=A1lez_Collado?= To: David Gow , Rae Moar , linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, Miguel Ojeda , Boqun Feng , Arnd Bergmann , Randy Dunlap Cc: rust-for-linux@vger.kernel.org, Josh Poimboeuf , Steven Rostedt , Peter Zijlstra , Nathan Chancellor , David Laight , Shuah Khan , Martin Rodriguez Reboredo , x86@kernel.org, linux-kbuild@vger.kernel.org, =?utf-8?q?Sergio_Gonz=C3=A1lez_Collado?= Subject: [PATCH v3] kunit: fix longest symbol length test Date: Wed, 14 May 2025 21:24:16 +0200 Message-Id: <20250514192416.12635-1-sergio.collado@gmail.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The kunit test that checks the longests symbol length [1], has triggered warnings in some pilelines when symbol prefixes are used [2][3]. The test will to depend on !PREFIX_SYMBOLS and !CFI_CLANG as sujested in [4] and on !GCOV_KERNEL. [1] https://lore.kernel.org/rust-for-linux/CABVgOSm=5Q0fM6neBhxSbOUHBgNzmwf2V22vsYC10YRBT=kN1g@mail.gmail.com/T/#t [2] https://lore.kernel.org/all/20250328112156.2614513-1-arnd@kernel.org/T/#u [3] https://lore.kernel.org/rust-for-linux/bbd03b37-c4d9-4a92-9be2-75aaf8c19815@infradead.org/T/#t [4] https://lore.kernel.org/linux-kselftest/20250427200916.GA1661412@ax162/T/#t Reviewed-by: Rae Moar Signed-off-by: Sergio González Collado --- v2 -> v3: added dependency on !GCOV_KERNEL (to avoid __gcov_ prefix) --- v1 -> v2: added dependency on !CFI_CLANG as suggested in [3], removed CONFIG_ prefix --- lib/Kconfig.debug | 1 + lib/tests/longest_symbol_kunit.c | 3 +-- 2 files changed, 2 insertions(+), 2 deletions(-) base-commit: 1a80a098c606b285fb0a13aa992af4f86da1ff06 diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f9051ab610d5..e55c761eae20 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2886,6 +2886,7 @@ config FORTIFY_KUNIT_TEST config LONGEST_SYM_KUNIT_TEST tristate "Test the longest symbol possible" if !KUNIT_ALL_TESTS depends on KUNIT && KPROBES + depends on !PREFIX_SYMBOLS && !CFI_CLANG && !GCOV_KERNEL default KUNIT_ALL_TESTS help Tests the longest symbol possible diff --git a/lib/tests/longest_symbol_kunit.c b/lib/tests/longest_symbol_kunit.c index e3c28ff1807f..9b4de3050ba7 100644 --- a/lib/tests/longest_symbol_kunit.c +++ b/lib/tests/longest_symbol_kunit.c @@ -3,8 +3,7 @@ * Test the longest symbol length. Execute with: * ./tools/testing/kunit/kunit.py run longest-symbol * --arch=x86_64 --kconfig_add CONFIG_KPROBES=y --kconfig_add CONFIG_MODULES=y - * --kconfig_add CONFIG_RETPOLINE=n --kconfig_add CONFIG_CFI_CLANG=n - * --kconfig_add CONFIG_MITIGATION_RETPOLINE=n + * --kconfig_add CONFIG_CPU_MITIGATIONS=n --kconfig_add CONFIG_GCOV_KERNEL=n */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt