From patchwork Sun Jan 8 13:08:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ammar Faizi X-Patchwork-Id: 13092490 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 249B9C53210 for ; Sun, 8 Jan 2023 13:09:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233233AbjAHNJM (ORCPT ); Sun, 8 Jan 2023 08:09:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233843AbjAHNJK (ORCPT ); Sun, 8 Jan 2023 08:09:10 -0500 Received: from gnuweeb.org (gnuweeb.org [51.81.211.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDF60E0E9; Sun, 8 Jan 2023 05:09:09 -0800 (PST) Received: from localhost.localdomain (unknown [182.253.183.184]) by gnuweeb.org (Postfix) with ESMTPSA id DE1507E693; Sun, 8 Jan 2023 13:09:06 +0000 (UTC) X-GW-Data: lPqxHiMPbJw1wb7CM9QUryAGzr0yq5atzVDdxTR0iA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1673183349; bh=SazNQqasb5NDffj8zbg16H7pkfxoKFoWLz87QrnJBdU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PY58svWheapgYY33RWEQPnRNDInFGp+pfJ9Q49QI+yBCOgs/Gb4NnWbdbcbJmOkr2 W45519p/+FtcDx2JTVEJNbK3vWPpB+3i0/J9/8JK5SzgKoKWFwvAgXhqrh8TBF4AaB /wXWB3L7Q5Y88G8QnRHkxjmWmF+h2uCUb6+KEN1jzvP+oNqp5VCxS8P5a+uqLgvlG/ DGKB/aS5dqAYwTsrRKoj0ulW0WNRc2w/it1TlBd+BcsUqAiOqd2Mahjf6V5qBOqHGx nEzV0iCKGBJWvUyAJTXdeezBR3bDRiwvYQkosHidPs63wgtDB5sVs20q50m7G9L2Qr +hNZfYrjbOvuQ== From: Ammar Faizi To: Willy Tarreau Cc: Ammar Faizi , Shuah Khan , "Paul E. McKenney" , Sven Schnelle , Alviro Iskandar Setiawan , GNU/Weeb Mailing List , Linux Kernel Mailing List , Linux Kselftest Mailing List Subject: [PATCH v1 3/3] selftests/nolibc: Add `getpagesize(2)` selftest Date: Sun, 8 Jan 2023 20:08:52 +0700 Message-Id: <20230108130853.840948-4-ammar.faizi@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230108130853.840948-1-ammar.faizi@intel.com> References: <20221222035134.3467659-1-ammar.faizi@intel.com> <20221222043452.GB29086@1wt.eu> <20221222134615.3535422-1-ammar.faizi@intel.com> <20221227062640.GA5337@1wt.eu> <00eee75f-59fa-83b2-c7e1-f0da347b2dde@gnuweeb.org> <20221227184902.GA6287@1wt.eu> <23e84c59-4f2c-01b4-5b8a-80af39a1d761@gnuweeb.org> <20221228133513.GA7457@1wt.eu> <39d68044-2641-75da-929a-f5e852f0a3d0@gnuweeb.org> <20230103035427.GA4474@1wt.eu> <086ff43d-2647-0459-d993-6fc90d7ae779@gnuweeb.org> <20230108130853.840948-1-ammar.faizi@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org From: Ammar Faizi Test the getpagesize() function. Make sure it returns the correct value. Signed-off-by: Ammar Faizi --- tools/testing/selftests/nolibc/nolibc-test.c | 30 ++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 6da17612251c..3a78399f4624 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -442,6 +442,35 @@ int test_getdents64(const char *dir) return ret; } +static int test_getpagesize(void) +{ + long x = getpagesize(); + int c; + + if (x < 0) + return x; + +#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) + /* + * x86 family is always 4K page. + */ + c = (x == 4096); +#elif defined(__aarch64__) + /* + * Linux aarch64 supports three values of page size: 4K, 16K, and 64K + * which are selected at kernel compilation time. + */ + c = (x == 4096 || x == (16 * 1024) || x == (64 * 1024)); +#else + /* + * Assuming other architectures must have at least 4K page. + */ + c = (x >= 4096); +#endif + + return !c; +} + /* Run syscall tests between IDs and . * Return 0 on success, non-zero on failure. */ @@ -502,6 +531,7 @@ int run_syscall(int min, int max) CASE_TEST(gettimeofday_bad2); EXPECT_SYSER(1, gettimeofday(NULL, (void *)1), -1, EFAULT); break; CASE_TEST(gettimeofday_bad2); EXPECT_SYSER(1, gettimeofday(NULL, (void *)1), -1, EFAULT); break; #endif + CASE_TEST(getpagesize); EXPECT_SYSZR(1, test_getpagesize()); break; CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break; CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break; CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST); break;