From nobody Sun Oct 5 00:14:19 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 359692E2835; Tue, 12 Aug 2025 05:39:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754977162; cv=none; b=UH1ddt3Mhqthm298CV3dFbIcP+he2dls91gNke5v6Zr1i9QSVj2J2lPZ+HUSYpDe4xKYmqHXJdG0kF3CT45T8gc9nJhrCSnpHhyUVrfIEY3sxK+OdTYv9TRZZjtuJcdsWLD2ousCw0SanpDI6+iZOoA79OQEHOXLTl4K8VZXjwk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754977162; c=relaxed/simple; bh=02daXCIbkRjNKoy/vay068lu47laZjYbudY0loa/xcc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Uud8h5tXazocJXjMgrS9xpxwoze6vTZd+mrTpSfPin7Qbge1+Pr5FptjqEzSAS9G6SyPxLaih8cxmzZ64WES5VDJxQztTq+C6RiWX89yV2hAMPAkX2/NORW1uc/oEOV0Cxk1IdwaICySI0emeT53tHaDaS3F6hJlaA3sKQfcm0o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=19LHLuI6; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=bzX/yQmT; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="19LHLuI6"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="bzX/yQmT" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1754977158; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UoV3x/XJg/ANc0lHinJVW2aC441y0iz7f+A5Ef+AT6Q=; b=19LHLuI6tVonRzXepH1HJoekuFoQ2pUv7xdk+UeMQ+IUWxe0Q1RHQiPZPnPxh7RekdxT6L 7xChZISs5PoaJfDrUXX/xyGi4LUS7IW4giJ6gozkJXZsImFU67C57ycgTn8broAia8wA3r SjBWRvOC6d8YDG/KlGaPeLgQM0z4u8EWomg4xoJAqrH0ku6dLd6fCF7RjtrVkMktWsjiZs XsDXCwQCWweq/yTjNTdqqASgJLwA2mQbbRX0UT/+1vt8ZJ2sHpAq5saLCwz0AACm6HwiVR fmu/FwwbSPB8hZZfCNeTd8Mo/WESjwSUqDrvqZCKXB2Dxm8gGps2QOezEwzmCQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1754977158; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UoV3x/XJg/ANc0lHinJVW2aC441y0iz7f+A5Ef+AT6Q=; b=bzX/yQmTGgcj7BYfGJJqCJo1Xh2OAJVyxJ5gjsJ6m4kUa7fXmrbzkadySm8CniqOBtZp9a EnLmUhD++kdHDkBQ== Date: Tue, 12 Aug 2025 07:39:09 +0200 Subject: [PATCH v2 8/8] selftests: vDSO: Drop vdso_test_clock_getres 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: <20250812-vdso-tests-fixes-v2-8-90f499dd35f8@linutronix.de> References: <20250812-vdso-tests-fixes-v2-0-90f499dd35f8@linutronix.de> In-Reply-To: <20250812-vdso-tests-fixes-v2-0-90f499dd35f8@linutronix.de> To: Andy Lutomirski , Thomas Gleixner , Vincenzo Frascino , Shuah Khan , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Christophe Leroy , "Jason A. Donenfeld" Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Shuah Khan , llvm@lists.linux.dev, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1754977153; l=5188; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=02daXCIbkRjNKoy/vay068lu47laZjYbudY0loa/xcc=; b=r7ieb+PVA8N9MszaJgXwJQj2Si1r3jimKm+R3hw8TlT82AZpsq/nx10e6uUqW3++1ihCS8/oy NS+KZ7MKu/9A3DIdaeuv2bJ4K/maWONWHEqj2S5rc/V4asG2vnBfLR3 X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= vdso_test_abi provides the exact same functionality, properly uses kselftest.h and explicitly calls into the vDSO without relying on the libc. Drop the pointless testcase. Signed-off-by: Thomas Wei=C3=9Fschuh --- tools/testing/selftests/vDSO/.gitignore | 1 - tools/testing/selftests/vDSO/Makefile | 2 - .../selftests/vDSO/vdso_test_clock_getres.c | 123 -----------------= ---- 3 files changed, 126 deletions(-) diff --git a/tools/testing/selftests/vDSO/.gitignore b/tools/testing/selfte= sts/vDSO/.gitignore index 30d5c8f0e5c7dfe9a330e440801aeac7e19faea9..ba322a353aff14eb3e951294e36= 04378eec2b14c 100644 --- a/tools/testing/selftests/vDSO/.gitignore +++ b/tools/testing/selftests/vDSO/.gitignore @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only vdso_test vdso_test_abi -vdso_test_clock_getres vdso_test_correctness vdso_test_gettimeofday vdso_test_getcpu diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftest= s/vDSO/Makefile index 918a2caa070ebc681a9525f0518afffcf10f5ae3..e361aca22a74dc5c279ab1aa16f= 308b7e6e85bf1 100644 --- a/tools/testing/selftests/vDSO/Makefile +++ b/tools/testing/selftests/vDSO/Makefile @@ -4,7 +4,6 @@ include ../../../scripts/Makefile.arch TEST_GEN_PROGS :=3D vdso_test_gettimeofday TEST_GEN_PROGS +=3D vdso_test_getcpu TEST_GEN_PROGS +=3D vdso_test_abi -TEST_GEN_PROGS +=3D vdso_test_clock_getres ifeq ($(ARCH),$(filter $(ARCH),x86 x86_64)) TEST_GEN_PROGS +=3D vdso_standalone_test_x86 endif @@ -29,7 +28,6 @@ CFLAGS_NOLIBC :=3D -nostdlib -nostdinc -ffreestanding -fn= o-asynchronous-unwind-tab $(OUTPUT)/vdso_test_gettimeofday: parse_vdso.c vdso_test_gettimeofday.c $(OUTPUT)/vdso_test_getcpu: parse_vdso.c vdso_test_getcpu.c $(OUTPUT)/vdso_test_abi: parse_vdso.c vdso_test_abi.c -$(OUTPUT)/vdso_test_clock_getres: vdso_test_clock_getres.c =20 $(OUTPUT)/vdso_standalone_test_x86: vdso_standalone_test_x86.c parse_vdso.= c | headers $(OUTPUT)/vdso_standalone_test_x86: CFLAGS:=3D$(CFLAGS_NOLIBC) $(CFLAGS) diff --git a/tools/testing/selftests/vDSO/vdso_test_clock_getres.c b/tools/= testing/selftests/vDSO/vdso_test_clock_getres.c deleted file mode 100644 index b5d5f59f725a703c357dfca91bfe170aaaeb42fa..000000000000000000000000000= 0000000000000 --- a/tools/testing/selftests/vDSO/vdso_test_clock_getres.c +++ /dev/null @@ -1,123 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note -/* - * vdso_clock_getres.c: Sample code to test clock_getres. - * Copyright (c) 2019 Arm Ltd. - * - * Compile with: - * gcc -std=3Dgnu99 vdso_clock_getres.c - * - * Tested on ARM, ARM64, MIPS32, x86 (32-bit and 64-bit), - * Power (32-bit and 64-bit), S390x (32-bit and 64-bit). - * Might work on other architectures. - */ - -#define _GNU_SOURCE -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "../kselftest.h" - -static long syscall_clock_getres(clockid_t _clkid, struct timespec *_ts) -{ - long ret; - - ret =3D syscall(SYS_clock_getres, _clkid, _ts); - - return ret; -} - -const char *vdso_clock_name[12] =3D { - "CLOCK_REALTIME", - "CLOCK_MONOTONIC", - "CLOCK_PROCESS_CPUTIME_ID", - "CLOCK_THREAD_CPUTIME_ID", - "CLOCK_MONOTONIC_RAW", - "CLOCK_REALTIME_COARSE", - "CLOCK_MONOTONIC_COARSE", - "CLOCK_BOOTTIME", - "CLOCK_REALTIME_ALARM", - "CLOCK_BOOTTIME_ALARM", - "CLOCK_SGI_CYCLE", - "CLOCK_TAI", -}; - -/* - * This function calls clock_getres in vdso and by system call - * with different values for clock_id. - * - * Example of output: - * - * clock_id: CLOCK_REALTIME [PASS] - * clock_id: CLOCK_BOOTTIME [PASS] - * clock_id: CLOCK_TAI [PASS] - * clock_id: CLOCK_REALTIME_COARSE [PASS] - * clock_id: CLOCK_MONOTONIC [PASS] - * clock_id: CLOCK_MONOTONIC_RAW [PASS] - * clock_id: CLOCK_MONOTONIC_COARSE [PASS] - */ -static inline int vdso_test_clock(unsigned int clock_id) -{ - struct timespec x, y; - - printf("clock_id: %s", vdso_clock_name[clock_id]); - clock_getres(clock_id, &x); - syscall_clock_getres(clock_id, &y); - - if ((x.tv_sec !=3D y.tv_sec) || (x.tv_nsec !=3D y.tv_nsec)) { - printf(" [FAIL]\n"); - return KSFT_FAIL; - } - - printf(" [PASS]\n"); - return KSFT_PASS; -} - -int main(int argc, char **argv) -{ - int ret =3D 0; - -#if _POSIX_TIMERS > 0 - -#ifdef CLOCK_REALTIME - ret +=3D vdso_test_clock(CLOCK_REALTIME); -#endif - -#ifdef CLOCK_BOOTTIME - ret +=3D vdso_test_clock(CLOCK_BOOTTIME); -#endif - -#ifdef CLOCK_TAI - ret +=3D vdso_test_clock(CLOCK_TAI); -#endif - -#ifdef CLOCK_REALTIME_COARSE - ret +=3D vdso_test_clock(CLOCK_REALTIME_COARSE); -#endif - -#ifdef CLOCK_MONOTONIC - ret +=3D vdso_test_clock(CLOCK_MONOTONIC); -#endif - -#ifdef CLOCK_MONOTONIC_RAW - ret +=3D vdso_test_clock(CLOCK_MONOTONIC_RAW); -#endif - -#ifdef CLOCK_MONOTONIC_COARSE - ret +=3D vdso_test_clock(CLOCK_MONOTONIC_COARSE); -#endif - -#endif - if (ret > 0) - return KSFT_FAIL; - - return KSFT_PASS; -} --=20 2.50.1