Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     linux-kernel@vger.kernel.org, x86@kernel.org
Cc:     Roland Mainz <roland.mainz@nrubsig.org>,
        "H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Ingo Molnar <mingo@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Shuah Khan <shuah@kernel.org>, linux-kselftest@vger.kernel.org
Subject: [PATCH 3/3] selftests: Make a warning if getcpu is missing on 32bit.
Date:   Fri, 25 Nov 2022 10:42:16 +0100
Message-Id: <20221125094216.3663444-4-bigeasy@linutronix.de>
In-Reply-To: <20221125094216.3663444-1-bigeasy@linutronix.de>
References: <20221125094216.3663444-1-bigeasy@linutronix.de>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

The vsyscall for getcpu has been wired up on 32bit so it can be warned
now if missing.

Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 tools/testing/selftests/x86/test_vsyscall.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/se=
lftests/x86/test_vsyscall.c
index 5b45e6986aeab..47cab972807c4 100644
--- a/tools/testing/selftests/x86/test_vsyscall.c
+++ b/tools/testing/selftests/x86/test_vsyscall.c
@@ -92,11 +92,8 @@ static void init_vdso(void)
 		printf("[WARN]\tfailed to find time in vDSO\n");
=20
 	vdso_getcpu =3D (getcpu_t)dlsym(vdso, "__vdso_getcpu");
-	if (!vdso_getcpu) {
-		/* getcpu() was never wired up in the 32-bit vDSO. */
-		printf("[%s]\tfailed to find getcpu in vDSO\n",
-		       sizeof(long) =3D=3D 8 ? "WARN" : "NOTE");
-	}
+	if (!vdso_getcpu)
+		printf("[WARN]\tfailed to find getcpu in vDSO\n");
 }
=20
 static int init_vsys(void)
--=20
2.38.1