From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C2F8C433FE for ; Fri, 11 Dec 2020 22:38:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15FF123C83 for ; Fri, 11 Dec 2020 22:38:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390903AbgLKVhU (ORCPT ); Fri, 11 Dec 2020 16:37:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:60858 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392776AbgLKVhR (ORCPT ); Fri, 11 Dec 2020 16:37:17 -0500 Date: Fri, 11 Dec 2020 13:36:35 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1607722596; bh=6buXg179dc1hdMRmbtFDqCzc/aZHzakFw0JVoG+g1wc=; h=From:To:Subject:In-Reply-To:From; b=nMNCPHgGD92QEjG9LKX3A2M345z9uXEXOEtoy8nUTl4Bypn4GcQRE271LDTi6vnpK 8sq/7XShc9VIJze+kKuIUHEZypy2Ze56yzqSsTaj5pSxMWAkHB8orPZz576oHkSwO1 5G/sHjJ0yQzGDdQ0Xf/dVfWrKmWkSkpG2Vgpt29c= From: Andrew Morton To: akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com, arnd@arndb.de, bp@suse.de, jpa@git.mail.kapsi.fi, linux-mm@kvack.org, mm-commits@vger.kernel.org, natechancellor@gmail.com, ndesaulniers@google.com, torvalds@linux-foundation.org Subject: [patch 3/8] selftest/fpu: avoid clang warning Message-ID: <20201211213635.QbYDxhklm%akpm@linux-foundation.org> In-Reply-To: <20201211133555.88407977f082963499ed343c@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Arnd Bergmann Subject: selftest/fpu: avoid clang warning With extra warnings enabled, clang complains about the redundant -mhard-float argument: clang: error: argument unused during compilation: '-mhard-float' [-Werror,-Wunused-command-line-argument] Move this into the gcc-only part of the Makefile. Link: https://lkml.kernel.org/r/20201203223652.1320700-1-arnd@kernel.org Fixes: 4185b3b92792 ("selftests/fpu: Add an FPU selftest") Signed-off-by: Arnd Bergmann Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Petteri Aimonen Cc: Borislav Petkov Cc: Arnd Bergmann Cc: Andy Shevchenko Signed-off-by: Andrew Morton --- lib/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/lib/Makefile~selftest-fpu-avoid-clang-warning +++ a/lib/Makefile @@ -107,7 +107,7 @@ obj-$(CONFIG_TEST_FREE_PAGES) += test_fr # off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS # get appended last to CFLAGS and thus override those previous compiler options. # -FPU_CFLAGS := -mhard-float -msse -msse2 +FPU_CFLAGS := -msse -msse2 ifdef CONFIG_CC_IS_GCC # Stack alignment mismatch, proceed with caution. # GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 @@ -120,6 +120,7 @@ ifdef CONFIG_CC_IS_GCC # -mpreferred-stack-boundary=3 is not between 4 and 12 # # can be triggered. Otherwise gcc doesn't complain. +FPU_CFLAGS += -mhard-float FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4) endif _