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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 3BF0AC33CB1 for ; Fri, 17 Jan 2020 12:50:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0CFD124656 for ; Fri, 17 Jan 2020 12:50:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0CFD124656 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E0BA16B0380; Fri, 17 Jan 2020 07:50:36 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D94E66B0381; Fri, 17 Jan 2020 07:50:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C5E056B0383; Fri, 17 Jan 2020 07:50:36 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0100.hostedemail.com [216.40.44.100]) by kanga.kvack.org (Postfix) with ESMTP id A92A36B0380 for ; Fri, 17 Jan 2020 07:50:36 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 4D036282D for ; Fri, 17 Jan 2020 12:50:36 +0000 (UTC) X-FDA: 76387110072.03.oil24_3f6d993ef342d X-HE-Tag: oil24_3f6d993ef342d X-Filterd-Recvd-Size: 4808 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Fri, 17 Jan 2020 12:50:35 +0000 (UTC) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00HClFho045235 for ; Fri, 17 Jan 2020 07:50:35 -0500 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xk0qrm54a-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 17 Jan 2020 07:50:34 -0500 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 17 Jan 2020 12:50:28 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 00HCoRhb44826842 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jan 2020 12:50:27 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1981852051; Fri, 17 Jan 2020 12:50:27 +0000 (GMT) Received: from fir03.in.ibm.com (unknown [9.121.59.65]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id A7C945204F; Fri, 17 Jan 2020 12:50:24 +0000 (GMT) From: Sandipan Das To: shuah@kernel.org, linux-kselftest@vger.kernel.org Cc: linux-arch@vger.kernel.org, fweimer@redhat.com, dave.hansen@intel.com, x86@kernel.org, linuxram@us.ibm.com, mhocko@kernel.org, linux-mm@kvack.org, mingo@redhat.com, aneesh.kumar@linux.ibm.com, bauerman@linux.ibm.com, msuchanek@suse.de, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v16 08/23] selftests/vm: Fix pkey_disable_clear() Date: Fri, 17 Jan 2020 18:19:47 +0530 X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-TM-AS-GCONF: 00 x-cbid: 20011712-4275-0000-0000-000003987CD9 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20011712-4276-0000-0000-000038AC7E3A Message-Id: <2c5a7d6888e87bbe11a533e0b5c34c99829f8e5f.1579265066.git.sandipan@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-17_03:2020-01-16,2020-01-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=706 malwarescore=0 phishscore=0 mlxscore=0 bulkscore=0 impostorscore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 adultscore=0 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-2001170102 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: From: Ram Pai Currently, pkey_disable_clear() sets the specified bits instead clearing them. This has been dead code up to now because its only callers i.e. pkey_access/write_allow() are also unused. cc: Dave Hansen cc: Florian Weimer Signed-off-by: Ram Pai Acked-by: Dave Hansen Signed-off-by: Sandipan Das --- tools/testing/selftests/vm/protection_keys.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/vm/protection_keys.c b/tools/testing/selftests/vm/protection_keys.c index 3ce5a87804ab..7440f6fa7be3 100644 --- a/tools/testing/selftests/vm/protection_keys.c +++ b/tools/testing/selftests/vm/protection_keys.c @@ -417,7 +417,7 @@ void pkey_disable_clear(int pkey, int flags) pkey, pkey, pkey_rights); pkey_assert(pkey_rights >= 0); - pkey_rights |= flags; + pkey_rights &= ~flags; ret = hw_pkey_set(pkey, pkey_rights, 0); shadow_pkey_reg = set_pkey_bits(shadow_pkey_reg, pkey, pkey_rights); @@ -430,7 +430,7 @@ void pkey_disable_clear(int pkey, int flags) dprintf1("%s(%d) pkey_reg: 0x%016lx\n", __func__, pkey, read_pkey_reg()); if (flags) - assert(read_pkey_reg() > orig_pkey_reg); + assert(read_pkey_reg() < orig_pkey_reg); } void pkey_write_allow(int pkey) -- 2.17.1