From patchwork Thu Dec 22 03:51:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ammar Faizi X-Patchwork-Id: 13079358 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 600CBC001B2 for ; Thu, 22 Dec 2022 03:52:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234973AbiLVDw4 (ORCPT ); Wed, 21 Dec 2022 22:52:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234968AbiLVDwy (ORCPT ); Wed, 21 Dec 2022 22:52:54 -0500 Received: from gnuweeb.org (gnuweeb.org [51.81.211.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7211918B24; Wed, 21 Dec 2022 19:52:53 -0800 (PST) Received: from localhost.localdomain (unknown [182.253.88.132]) by gnuweeb.org (Postfix) with ESMTPSA id 0652881A11; Thu, 22 Dec 2022 03:52:48 +0000 (UTC) X-GW-Data: lPqxHiMPbJw1wb7CM9QUryAGzr0yq5atzVDdxTR0iA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1671681173; bh=yq8GJZ+I6uJDzwFMLP2mAHZVUUL3XN13II1COgW8aFc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o4i7RoeKrTw8/sVfcITMdNGxBcpXoHEFGyTASrZyigmDqnUB2UeeQ0L8Ydl1f1otK eTNJ+/cXNHJ5NKNy69Pz25Fl3OaL6OueWiVb8AEJwNuxazEGyxm5sWouANg2TvnyH9 DsI+/pWhbWe8vAviG2ppCY87dTzC7hnHRzKvwRI3h6YQ1HHWVMxT3t8MZ+kJT1MmV0 97BfkrClE7Q6ln+pRzoKPEYnTxUtl95jGDpMaGhYeTLfhwyhaO0m8DHsIUl5S+KmZX NyBt1/W3n8FNs27j5ONGmIIbHRrcyeXsDk507wEezPdVUbfbBbQl0bsZEhKLkUqqA1 4y2EY1xQCS4FQ== From: Ammar Faizi To: Willy Tarreau , Shuah Khan , "Paul E. McKenney" Cc: Ammar Faizi , Gilang Fachrezy , VNLX Kernel Department , Alviro Iskandar Setiawan , Kanna Scarlet , Muhammad Rizki , GNU/Weeb Mailing List , Linux Kernel Mailing List , Linux Kselftest Mailing List Subject: [RFC PATCH v1 8/8] selftests/nolibc: Add `getpagesize(2)` selftest Date: Thu, 22 Dec 2022 10:51:34 +0700 Message-Id: <20221222035134.3467659-9-ammar.faizi@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221222035134.3467659-1-ammar.faizi@intel.com> References: <20221222035134.3467659-1-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 | 31 ++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index a65cc6b83779..19b3ed5f2356 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -625,6 +625,36 @@ static int should_test_signal(void) return should_test_sigaction(); } +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. */ @@ -686,6 +716,7 @@ 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;