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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1767804536; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=itqaKDb0L3ihII/ZhInIbjXsKbh+AcfS9nkCAGiEbLY=; b=Q7zU38SLEjKvQ6nWxJN+1OpZxLZIft6Pe7ZxNnO78u3GfCcseRBB6oJkVJpYUl2+LdtvAU uD9v7M5M/FjRtZGiAViDmhxY0BfieEPZFrzK8bDed2d15euEqSG0BNcOH7ZLb+yjrVD6HW E4T0HWM+N3wG0VsqGiptnHQLC9dCEHw= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 10BF6165C; Wed, 7 Jan 2026 08:48:49 -0800 (PST) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6DF0F3F5A1; Wed, 7 Jan 2026 08:48:54 -0800 (PST) From: Kevin Brodsky To: linux-mm@kvack.org, linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Kevin Brodsky , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Mark Brown , Ryan Roberts , Shuah Khan , Jason Gunthorpe , John Hubbard Subject: [PATCH v2 3/8] selftests/mm: pass down full CC and CFLAGS to check_config.sh Date: Wed, 7 Jan 2026 16:48:37 +0000 Message-ID: <20260107164842.3289559-4-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260107164842.3289559-1-kevin.brodsky@arm.com> References: <20260107164842.3289559-1-kevin.brodsky@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 99D98100005 X-Stat-Signature: 6dqifofkdieje6mso5iin6n566b5yukx X-Rspam-User: X-HE-Tag: 1767804536-685027 X-HE-Meta: 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 LNFsk9n1 faT3GyflSks6MgSJO7w3XSfsFlulJyKOBxUcAB1Y/Q+TOVdL7mLxn6lybaKKE1FtduhFE6aTgwqdpq24jQZI5gu+l4PezJaT42ScYHStO7zJ7J3TCnPaW55k7QFX8nT/dBimNr2uluEZ75FuLXHOrFvX/8N0lR+btGCVR2nIHISyukaCtfYxiYC90Y34Y0MUHLhP1Wo+PHPory8n3Jszi/AA2xaLhoGTc4uTI5S+0dmOSWriunRtaZWFrcw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: check_config.sh checks that liburing is available by running the compiler provided as its first argument. This makes two assumptions: 1. CC consists of only one word 2. No extra flag is required Unfortunately, there are many situations where these assumptions don't hold. For instance: - When using Clang, CC consists of multiple words - When cross-compiling, extra flags may be required to allow the compiler to find headers Remove these assumptions by passing down CC and CFLAGS as-is from the Makefile, so that the same command line is used as when actually building the tests. Cc: Jason Gunthorpe Cc: John Hubbard Acked-by: David Hildenbrand (Red Hat) Signed-off-by: Kevin Brodsky --- tools/testing/selftests/mm/Makefile | 2 +- tools/testing/selftests/mm/check_config.sh | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index 4e5c8a330a0c..de4afc34e3b1 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -230,7 +230,7 @@ $(OUTPUT)/migration: LDLIBS += -lnuma $(OUTPUT)/rmap: LDLIBS += -lnuma local_config.mk local_config.h: check_config.sh - /bin/sh ./check_config.sh $(CC) + CC="$(CC)" CFLAGS="$(CFLAGS)" ./check_config.sh EXTRA_CLEAN += local_config.mk local_config.h diff --git a/tools/testing/selftests/mm/check_config.sh b/tools/testing/selftests/mm/check_config.sh index 3954f4746161..b84c82bbf875 100755 --- a/tools/testing/selftests/mm/check_config.sh +++ b/tools/testing/selftests/mm/check_config.sh @@ -16,8 +16,7 @@ echo "#include " > $tmpfile_c echo "#include " >> $tmpfile_c echo "int func(void) { return 0; }" >> $tmpfile_c -CC=${1:?"Usage: $0 # example compiler: gcc"} -$CC -c $tmpfile_c -o $tmpfile_o >/dev/null 2>&1 +$CC $CFLAGS -c $tmpfile_c -o $tmpfile_o if [ -f $tmpfile_o ]; then echo "#define LOCAL_CONFIG_HAVE_LIBURING 1" > $OUTPUT_H_FILE -- 2.51.2