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Tue, 19 Aug 2025 10:37:16 -0700 (PDT) Received: from localhost ([177.94.120.255]) by smtp.gmail.com with UTF8SMTPSA id 71dfb90a1353d-53b2bed9fe1sm2906022e0c.16.2025.08.19.10.37.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Aug 2025 10:37:16 -0700 (PDT) From: =?utf-8?B?UmljYXJkbyBCLiBNYXJsacOocmU=?= Date: Tue, 19 Aug 2025 14:37:01 -0300 Subject: [PATCH] selftests/livepatch: Ignore NO_SUPPORT line in dmesg Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250819-selftests-lp_taint_flag-v1-1-a94a62a47683@suse.com> X-B4-Tracking: v=1; b=H4sIADy2pGgC/x3MQQqDMBBA0avIrBuqAUvTq5QikzgxA2EqmVgE8 e5Nu3yL/w9QKkwKj+6AQh9WfkvDcOkgJJSFDM/NYHs79vfBGaUcK2lVk9epIkudYsbFBHeLo3f e0uyg1WuhyPv//Hw1e1QyvqCE9Ptp2jBdhfYK5/kFGmhp7IYAAAA= X-Change-ID: 20250819-selftests-lp_taint_flag-c96f5b9b2ed9 To: Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Shuah Khan Cc: live-patching@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Marcos Paulo de Souza , =?utf-8?q?Ricardo_B=2E_Marli=C3=A8re?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 Some systems might disable unloading a livepatch and when running tests on them they fail like the following: $ ./run_kselftest.sh -c livepatch TAP version 13 1..8 # selftests: livepatch: test-livepatch.sh # TEST: basic function patching ... not ok # # --- expected # +++ result # @@ -5,6 +5,7 @@ livepatch: 'test_klp_livepatch': starting # livepatch: 'test_klp_livepatch': completing patching transition # livepatch: 'test_klp_livepatch': patching complete # % echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled # +livepatch: attempt to disable live patch test_klp_livepatch, setting NO_SUPPORT taint flag # livepatch: 'test_klp_livepatch': initializing unpatching transition # livepatch: 'test_klp_livepatch': starting unpatching transition # livepatch: 'test_klp_livepatch': completing unpatching transition # # ERROR: livepatch kselftest(s) failed Cc: Marcos Paulo de Souza Signed-off-by: Ricardo B. Marli=C3=A8re --- tools/testing/selftests/livepatch/functions.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing= /selftests/livepatch/functions.sh index 46991a029f7c64ace3945727b3540521ffe2e529..13fc289962cdd77c9fc4eaf1ad3= 36775d6db710d 100644 --- a/tools/testing/selftests/livepatch/functions.sh +++ b/tools/testing/selftests/livepatch/functions.sh @@ -321,6 +321,7 @@ function check_result { result=3D$(dmesg | awk -v last_dmesg=3D"$LAST_DMESG" 'p; $0 =3D=3D last_d= mesg { p=3D1 }' | \ grep -e 'livepatch:' -e 'test_klp' | \ grep -v '\(tainting\|taints\) kernel' | \ + grep -v 'setting NO_SUPPORT taint flag' | \ sed 's/^\[[ 0-9.]*\] //' | \ sed 's/^\[[ ]*[CT][0-9]*\] //') =20 --- base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 change-id: 20250819-selftests-lp_taint_flag-c96f5b9b2ed9 Best regards, --=20 Ricardo B. Marli=C3=A8re