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charset="utf-8" The .PHONY targets "all" and "clean" are both defined in the file that is included in the very next line: ../lib.mk. Signed-off-by: John Hubbard Reviewed-by: Davidlohr Bueso --- tools/testing/selftests/futex/Makefile | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/futex/Makefile b/tools/testing/selftes= ts/futex/Makefile index 11e157d7533b..78ab2cd111f6 100644 --- a/tools/testing/selftests/futex/Makefile +++ b/tools/testing/selftests/futex/Makefile @@ -3,8 +3,6 @@ SUBDIRS :=3D functional =20 TEST_PROGS :=3D run.sh =20 -.PHONY: all clean - include ../lib.mk =20 all: --=20 2.45.0 From nobody Wed Dec 17 20:44:02 2025 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2058.outbound.protection.outlook.com [40.107.244.58]) (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 ED94A282EE; Fri, 3 May 2024 04:18:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.244.58 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714709933; cv=fail; b=c+HJG+blCQAdtRV4E7salEdXTVWdmuhRH1YYnoWduzmyT31nbr5iUUu+m5q4aF0KgEf/j95GAHEOBoTJFi1m9WoqZqKGeRXQN097AXkyTIaqwDvlDrrI/25ozy9uTpV50LmrEvjr+KqzzCkHkxwoYxg/pcz1b3KNNltQNP2ceSI= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714709933; c=relaxed/simple; bh=SFnXEf/kT0ezFP8CBnns/mhb97f77hv1Zwt/gJlYmIM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=YrkO0YI83YvQ+cBFA6244tasbSsFEnBO5PjSZrrKwwOJ7tsjJJ6TIBFl+txHWN9hKcP5uFdd3TcRg3ySDZQ0LibtXV46ahMxruh8cks9nL8ZDtYdlYteOs5o4o7d3go5gzapIjskcXlrm2HcRtX9Nx29hlmoRoa4sXTQHJSxlEM= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=oh1wJjgy; arc=fail smtp.client-ip=40.107.244.58 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="oh1wJjgy" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bHdMuzZhfXr0qZ8Act1HI/+y6hIxHfUEjVNGZIUWPu/L1Wty6Vm+KuAgnjPkYFlbwQny46X8yP9oXQAT/KwvnCfJsj+tP2cPb4KQdrjhCw1Q4WsuAw3O3m1uGVTvfwcuS9WqIL5wXPQRRq7fxxfUTOqHt5J3YWwe/gnn1TrzzckCK39J0q7BUQZ5AtV0Bo0lyqm1DUZD0YgHouOxk2z63h5tmImwFSsBcPxqyzc//yVJk007f6bIEmNLpbCYXHBVhgpmov5hqGNc4Qb50uk83iVb0gpj1QNxL1e3tek0B+dn+Ej796uNq/vwuciEHMLvlvJhi+UM6f2n3BmDjIB6lA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=P/hQPgmK9VJIMZ5PuBMqilFqbLQj/X6et9m7OoOe+Jk=; b=g/MAgecIFF/cx34PuMCK8M046qgXMBLwxSi633gkAIjSrZZs7GRf+E4wZCkVoYz9Bjk6PA/yl5uRyZytxBpmT4IECilXeDUtFfvK5lj42YVoXrEHDY3HslWAVUBRPxMWt1M0nT4Za+uRZ4XUHGjyBPGqETnyxJ2F7KwN7R8EwcgaQg+q63WeEjI5/QOeWw9P4lW1g8ctOnuXLNjcYl7Obi8rp38ioNg+BzPd0q9USH+x6AbX2BrNhgaAX0pltkgaM73rZBFdCQpjeZnqGsvqn0SK8qsvms04hQzj6J24U/rTw5PDVIUOzQVqY/xy7FhpeeE1IAmg3G7GWubd8XNu1A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=P/hQPgmK9VJIMZ5PuBMqilFqbLQj/X6et9m7OoOe+Jk=; b=oh1wJjgynTRxAjBbE40hHVTUtKT8kL7HyaIi7wVb+M58bXw33wsumpto8jlOKAGEMsP6oS/dG01ctIiD5GPjJJuDxbEvhZZ3Fqeu3RbVeGfDlI8HkSt96QhiuPpPX7DDDCmXbfDWWWy1SnjzAWmkpYgpHUq86J54s3IFIbPTSzQNsfn/faB9LHOFoebSe9NTp5r8bt+K3ZxRIsMHZVx/zoeRIEHFLU9zlHGL83xdnCm855FpssZseKhTnRdwBy7/DKzQ6oSMrmHGcAnJ0JjcrFDk7rYIVY+MPUsUUy1J8Fjqx/OtE7KfdVVVLlDVHn+PR5Qus6JKeXHAWzJauzqWPQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from BY5PR12MB4130.namprd12.prod.outlook.com (2603:10b6:a03:20b::16) by PH8PR12MB7445.namprd12.prod.outlook.com (2603:10b6:510:217::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7544.29; Fri, 3 May 2024 04:18:47 +0000 Received: from BY5PR12MB4130.namprd12.prod.outlook.com ([fe80::2cf4:5198:354a:cd07]) by BY5PR12MB4130.namprd12.prod.outlook.com ([fe80::2cf4:5198:354a:cd07%4]) with mapi id 15.20.7519.035; Fri, 3 May 2024 04:18:47 +0000 From: John Hubbard To: Shuah Khan Cc: Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , =?UTF-8?q?Andr=C3=A9=20Almeida?= , "Nysal Jan K . 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charset="utf-8" First of all, in order to build with clang at all, one must first apply Valentin Obst's build fix for LLVM [1]. Once that is done, then when building with clang, via: make LLVM=3D1 -C tools/testing/selftests ...clang issues a warning, because test_name is passed into asprintf(3), which then changes it. Fix this by simply removing the const qualifier. This is a local automatic variable in a very short function, so there is not much need to use the compiler to enforce const-ness at this scope. [1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9e= d7d1c49f@valentinobst.de/ Fixes: f17d8a87ecb5 ("selftests: fuxex: Report a unique test name per run o= f futex_requeue_pi") Signed-off-by: John Hubbard Reviewed-by: Davidlohr Bueso --- tools/testing/selftests/futex/functional/futex_requeue_pi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c b/= tools/testing/selftests/futex/functional/futex_requeue_pi.c index 7f3ca5c78df1..215c6cb539b4 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c @@ -360,7 +360,7 @@ int unit_test(int broadcast, long lock, int third_party= _owner, long timeout_ns) =20 int main(int argc, char *argv[]) { - const char *test_name; + char *test_name; int c, ret; =20 while ((c =3D getopt(argc, argv, "bchlot:v:")) !=3D -1) { --=20 2.45.0 From nobody Wed Dec 17 20:44:02 2025 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2058.outbound.protection.outlook.com [40.107.244.58]) (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 A10E02E827; 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charset="utf-8" It's slightly better to set _GNU_SOURCE in the source code, but if one must do it via the compiler invocation, then the best way to do so is this: $(CC) -D_GNU_SOURCE=3D ...because otherwise, if this form is used: $(CC) -D_GNU_SOURCE ...then that leads the compiler to set a value, as if you had passed in: $(CC) -D_GNU_SOURCE=3D1 That, in turn, leads to warnings under both gcc and clang, like this: futex_requeue_pi.c:20: warning: "_GNU_SOURCE" redefined Fix this by using the "-D_GNU_SOURCE=3D" form. Signed-off-by: John Hubbard Reviewed-by: Davidlohr Bueso Reviewed-by: Edward Liaw --- tools/testing/selftests/futex/functional/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/test= ing/selftests/futex/functional/Makefile index a392d0917b4e..994fa3468f17 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 INCLUDES :=3D -I../include -I../../ $(KHDR_INCLUDES) -CFLAGS :=3D $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES) $(KH= DR_INCLUDES) +CFLAGS :=3D $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE=3D -pthread $(INCLUDES) $= (KHDR_INCLUDES) LDLIBS :=3D -lpthread -lrt =20 LOCAL_HDRS :=3D \ --=20 2.45.0