From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 989AD217734; Fri, 18 Apr 2025 17:17:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744996645; cv=pass; b=bAs9mCJTUOYrPFWqiCTGBoEKjADnV51Tt38yLvECwvJGZoP5RJ/KYmzYwIdlN+oJxslFCFuM98Az3pzgeE+29P6x4GVsRq/bb4TFNBITU/e/DWhVHwg4B/tMEcSGa+XRBEVhJstZhhLKgp2Ry4cTKIETplowOesbwwpnpwwLHKE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744996645; c=relaxed/simple; bh=HWgRPEwVKkFmhhWiBm636+TJP5nBR6E34XlvIZtv6P4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QI29kC/t4FusBUveKnxYxJ6T0x6Jyx9upGJlvyNBBVzUqFtfJ5jSfWBq5Xtv5p92GqULvW3MT6foTlqV0XATRckq1tC6IZWJKJQ2LB0c/J2zkV7hKiyKymZ3NpeIlH+ly8oN4WKc+5b5y0KU6v6s179DjK4XjdlLj1dRcv3Dncw= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=usama.anjum@collabora.com header.b=fTgd9o6T; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=usama.anjum@collabora.com header.b="fTgd9o6T" ARC-Seal: i=1; a=rsa-sha256; t=1744996609; cv=none; d=zohomail.com; s=zohoarc; b=jxWkA9U9NSgJbmAJUXRHn0QNZ4IAW9AQoexfk/8Dhec7cY2AbkjMrmhOTK6evP9mbB3cXu2p4yoFygKVuBmubKQKYMb8F/qhOomsIOkMbEkunmsF0+CQdTVhnU5qxvR5ThAr/WLZ1ERTgBDYixv2Ax+2KftBlNBM7cXDVao5iTA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1744996609; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=J44kw+gzo5uLXPwGBO4pqJKAwwerl0rrlLnx0kM7WsI=; b=Gf/c0WxKvpJtNDtYxf8wQEcUUqr0iaKCvPIoGjGKAB1G4P1LlDyoTNt7zg1cnAXm4B75gsCDL8go7T7pOqWL1C/tJHRlt6iYd3YKkfnE3hIbV+ZkMK9Lmt73bYSrUpmB4GU7EoUkcZvPpyjWwCnZ/SbKuurp6CZZhrPxJnkYz6g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=usama.anjum@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1744996609; s=zohomail; d=collabora.com; i=usama.anjum@collabora.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=J44kw+gzo5uLXPwGBO4pqJKAwwerl0rrlLnx0kM7WsI=; b=fTgd9o6TJ+HrN8kHIcyp7p8HWq2OGZAut8+9bw/SLk+wXodfeJH9aUNfImvqukp9 xWW0cOlJ7O+bjjHIrMIY659F+070RBTKsjjrwVG/uXkOFzWDkQDQW0raxSCtqeePze/ QoKXh8nh8XbxWczBkx+pI28bPv+9yWUUIfRGnHxY= Received: by mx.zohomail.com with SMTPS id 1744996608012662.4463860725073; Fri, 18 Apr 2025 10:16:48 -0700 (PDT) Message-ID: <447d6f10-a04b-4492-8cc0-cac317f7c6c7@collabora.com> Date: Fri, 18 Apr 2025 22:16:42 +0500 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 06/32] selftests: harness: Remove dependency on libatomic To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Shuah Khan , Shuah Khan , Willy Tarreau , =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Kees Cook Cc: Andy Lutomirski , Will Drewry , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org References: <20250411-nolibc-kselftest-harness-v3-0-4d9c0295893f@linutronix.de> <20250411-nolibc-kselftest-harness-v3-6-4d9c0295893f@linutronix.de> Content-Language: en-US From: Muhammad Usama Anjum In-Reply-To: <20250411-nolibc-kselftest-harness-v3-6-4d9c0295893f@linutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ZohoMailClient: External On 4/11/25 2:00 PM, Thomas Weißschuh wrote: > __sync_bool_compare_and_swap() is deprecated and requires libatomic on > GCC. Compiler toolchains don't necessarily have libatomic available, so > avoid this requirement by using atomics that don't need libatomic. > > Signed-off-by: Thomas Weißschuh Reviewed-by: Muhammad Usama Anjum > --- > tools/testing/selftests/kselftest_harness.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h > index 222a4f51a8d704c41597e09a241ad887ef787139..7ec4f66d0e3d7f129f6c2a45ff58310dabe5d03f 100644 > --- a/tools/testing/selftests/kselftest_harness.h > +++ b/tools/testing/selftests/kselftest_harness.h > @@ -439,12 +439,12 @@ > } \ > if (child == 0) { \ > if (_metadata->setup_completed && !fixture_name##_teardown_parent && \ > - __sync_bool_compare_and_swap(teardown, false, true)) \ > + !__atomic_test_and_set(teardown, __ATOMIC_RELAXED)) \ > fixture_name##_teardown(_metadata, self, variant->data); \ > _exit(0); \ > } \ > if (_metadata->setup_completed && fixture_name##_teardown_parent && \ > - __sync_bool_compare_and_swap(teardown, false, true)) \ > + !__atomic_test_and_set(teardown, __ATOMIC_RELAXED)) \ > fixture_name##_teardown(_metadata, self, variant->data); \ > munmap(teardown, sizeof(*teardown)); \ > if (self && fixture_name##_teardown_parent) \ > -- Regards, Usama