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Sun, 25 Dec 2022 15:43:05 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5D70920040; Sun, 25 Dec 2022 15:43:02 +0000 (GMT) Received: from tarunpc.ibmuc.com (unknown [9.43.100.54]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Sun, 25 Dec 2022 15:43:02 +0000 (GMT) From: Tarun Sahu To: ltp@lists.linux.it Date: Sun, 25 Dec 2022 21:12:11 +0530 Message-Id: <20221225154213.84183-12-tsahu@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221225154213.84183-1-tsahu@linux.ibm.com> References: <20221225154213.84183-1-tsahu@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 1Bqn3twhRTv6Qj_VDQD5n0Z-Mq0TQ_1U X-Proofpoint-GUID: sflJuUvnz3TMzTg17shOjqlucYdSxyeq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-25_12,2022-12-23_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=961 suspectscore=0 impostorscore=0 adultscore=0 priorityscore=1501 mlxscore=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212250138 X-Virus-Scanned: clamav-milter 0.102.4 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH 11/13] Hugetlb: Migrating libhugetlbfs shared X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: geetika@linux.ibm.com, sbhat@linux.ibm.com, aneesh.kumar@linux.ibm.com, vaibhav@linux.ibm.com, rpalethorpe@suse.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Migrating the libhugetlbfs/testcases/shared.c test Test Description: This test is basic shared mapping test. Two shared mappings are created with same offset on a file. It checks if writing to one mapping can be seen to other mapping or not? Signed-off-by: Tarun Sahu --- runtest/hugetlb | 1 + testcases/kernel/mem/.gitignore | 1 + .../kernel/mem/hugetlb/hugemmap/hugemmap31.c | 84 +++++++++++++++++++ 3 files changed, 86 insertions(+) create mode 100644 testcases/kernel/mem/hugetlb/hugemmap/hugemmap31.c diff --git a/runtest/hugetlb b/runtest/hugetlb index 60cca4eb7..33fd384b4 100644 --- a/runtest/hugetlb +++ b/runtest/hugetlb @@ -31,6 +31,7 @@ hugemmap27 hugemmap27 hugemmap28 hugemmap28 hugemmap29 hugemmap29 hugemmap30 hugemmap30 +hugemmap31 hugemmap31 hugemmap05_1 hugemmap05 -m hugemmap05_2 hugemmap05 -s hugemmap05_3 hugemmap05 -s -m diff --git a/testcases/kernel/mem/.gitignore b/testcases/kernel/mem/.gitignore index bb9720452..8375389cd 100644 --- a/testcases/kernel/mem/.gitignore +++ b/testcases/kernel/mem/.gitignore @@ -30,6 +30,7 @@ /hugetlb/hugemmap/hugemmap28 /hugetlb/hugemmap/hugemmap29 /hugetlb/hugemmap/hugemmap30 +/hugetlb/hugemmap/hugemmap31 /hugetlb/hugeshmat/hugeshmat01 /hugetlb/hugeshmat/hugeshmat02 /hugetlb/hugeshmat/hugeshmat03 diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap31.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap31.c new file mode 100644 index 000000000..a09905023 --- /dev/null +++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap31.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/* + * Copyright (C) 2005-2006 IBM Corporation. + * Author: David Gibson & Adam Litke + */ + +/*\ + * [Description] + * + * This test is basic shared mapping test. Two shared mappings are created + * with same offset on a file. It checks if writing to one mapping can be + * seen to other mapping or not? + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include + +#include "hugetlb.h" + +#define RANDOM_CONSTANT 0x1234ABCD +#define MNTPOINT "hugetlbfs/" + +static long hpage_size; +static int fd = -1; + +static void run_test(void) +{ + void *p, *q; + unsigned long *pl, *ql; + unsigned long i; + + fd = tst_creat_unlinked(MNTPOINT, 0); + p = SAFE_MMAP(NULL, hpage_size, PROT_READ|PROT_WRITE, MAP_SHARED, + fd, 0); + + q = SAFE_MMAP(NULL, hpage_size, PROT_READ|PROT_WRITE, MAP_SHARED, + fd, 0); + + pl = p; + for (i = 0; i < (hpage_size / sizeof(*pl)); i++) + pl[i] = RANDOM_CONSTANT ^ i; + + ql = q; + for (i = 0; i < (hpage_size / sizeof(*ql)); i++) { + if (ql[i] != (RANDOM_CONSTANT ^ i)) { + tst_res(TFAIL, "Mismatch at offset %lu, Got: %lu, Expected: %lu", + i, ql[i], RANDOM_CONSTANT ^ i); + goto cleanup; + } + } + + tst_res(TPASS, "Successfully tested data between two shared mappings"); +cleanup: + SAFE_MUNMAP(p, hpage_size); + SAFE_MUNMAP(q, hpage_size); + SAFE_CLOSE(fd); +} + +static void setup(void) +{ + hpage_size = SAFE_READ_MEMINFO(MEMINFO_HPAGE_SIZE)*1024; +} + +static void cleanup(void) +{ + if (fd >= 0) + SAFE_CLOSE(fd); +} + +static struct tst_test test = { + .needs_root = 1, + .mntpoint = MNTPOINT, + .needs_hugetlbfs = 1, + .needs_tmpdir = 1, + .setup = setup, + .cleanup = cleanup, + .test_all = run_test, + .hugepages = {2, TST_NEEDS}, +}; -- 2.31.1 -- Mailing list info: https://lists.linux.it/listinfo/ltp