From patchwork Wed Oct 19 03:49:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 13011328 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 E8AA0C43217 for ; Wed, 19 Oct 2022 03:30:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229913AbiJSDaF (ORCPT ); Tue, 18 Oct 2022 23:30:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229799AbiJSDaC (ORCPT ); Tue, 18 Oct 2022 23:30:02 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C2293B9B5; Tue, 18 Oct 2022 20:30:00 -0700 (PDT) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Msbk81L6QznTV5; Wed, 19 Oct 2022 11:26:40 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 19 Oct 2022 11:29:58 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 19 Oct 2022 11:29:57 +0800 From: Kefeng Wang To: , Andrew Morton CC: Dinh Nguyen , Jarkko Sakkinen , Dave Hansen , , , , Kefeng Wang Subject: [PATCH 4/5] mm: debug_vm_pgtable: use VM_ACCESS_FLAGS Date: Wed, 19 Oct 2022 11:49:44 +0800 Message-ID: <20221019034945.93081-5-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221019034945.93081-1-wangkefeng.wang@huawei.com> References: <20221019034945.93081-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org Directly use VM_ACCESS_FLAGS instead VMFLAGS. Signed-off-by: Kefeng Wang --- mm/debug_vm_pgtable.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index dc7df1254f0a..2b61fde8c38c 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -38,11 +38,7 @@ * Please refer Documentation/mm/arch_pgtable_helpers.rst for the semantics * expectations that are being validated here. All future changes in here * or the documentation need to be in sync. - */ - -#define VMFLAGS (VM_READ|VM_WRITE|VM_EXEC) - -/* + * * On s390 platform, the lower 4 bits are used to identify given page table * entry type. But these bits might affect the ability to clear entries with * pxx_clear() because of how dynamic page table folding works on s390. So @@ -1125,7 +1121,7 @@ static int __init init_args(struct pgtable_debug_args *args) */ memset(args, 0, sizeof(*args)); args->vaddr = get_random_vaddr(); - args->page_prot = vm_get_page_prot(VMFLAGS); + args->page_prot = vm_get_page_prot(VM_ACCESS_FLAGS); args->page_prot_none = vm_get_page_prot(VM_NONE); args->is_contiguous_page = false; args->pud_pfn = ULONG_MAX;