From nobody Tue Apr 7 19:04:13 2026 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 06336C43217 for ; Wed, 19 Oct 2022 03:30:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229932AbiJSDaJ (ORCPT ); Tue, 18 Oct 2022 23:30:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229779AbiJSDaC (ORCPT ); Tue, 18 Oct 2022 23:30:02 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77D9F33E2B; Tue, 18 Oct 2022 20:29:58 -0700 (PDT) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Msbks5XpWzJn4F; Wed, 19 Oct 2022 11:27:17 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500023.china.huawei.com (7.185.36.83) 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 11:29:56 +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 11:29:56 +0800 From: Kefeng Wang To: , Andrew Morton CC: Dinh Nguyen , Jarkko Sakkinen , Dave Hansen , , , , Kefeng Wang Subject: [PATCH 1/5] nios2: remove unused INIT_MMAP Date: Wed, 19 Oct 2022 11:49:41 +0800 Message-ID: <20221019034945.93081-2-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 Content-Transfer-Encoding: quoted-printable 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-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" It seems that INIT_MMAP is gone in 2.4.10, not sure, anyways, it is useless now, kill it. Cc: Dinh Nguyen Signed-off-by: Kefeng Wang --- arch/nios2/include/asm/processor.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/pr= ocessor.h index 8916d93d5c2d..eb44130364a9 100644 --- a/arch/nios2/include/asm/processor.h +++ b/arch/nios2/include/asm/processor.h @@ -50,9 +50,6 @@ struct thread_struct { unsigned long kpsr; }; =20 -#define INIT_MMAP \ - { &init_mm, (0), (0), __pgprot(0x0), VM_READ | VM_WRITE | VM_EXEC } - # define INIT_THREAD { \ .kregs =3D NULL, \ .ksp =3D 0, \ --=20 2.35.3 From nobody Tue Apr 7 19:04:13 2026 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 73DF1C433FE for ; Wed, 19 Oct 2022 03:30:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229559AbiJSDaT (ORCPT ); Tue, 18 Oct 2022 23:30:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229926AbiJSDaH (ORCPT ); Tue, 18 Oct 2022 23:30:07 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7174D50F94; Tue, 18 Oct 2022 20:30:06 -0700 (PDT) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Msbny0JjPzHv4h; Wed, 19 Oct 2022 11:29:58 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500024.china.huawei.com (7.185.36.203) 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 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 11:29:56 +0800 From: Kefeng Wang To: , Andrew Morton CC: Dinh Nguyen , Jarkko Sakkinen , Dave Hansen , , , , Kefeng Wang Subject: [PATCH 2/5] x86/sgx: use VM_ACCESS_FLAGS Date: Wed, 19 Oct 2022 11:49:42 +0800 Message-ID: <20221019034945.93081-3-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 Content-Transfer-Encoding: quoted-printable 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-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS. Cc: Jarkko Sakkinen Cc: Dave Hansen Signed-off-by: Kefeng Wang --- arch/x86/kernel/cpu/sgx/encl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c index 1ec20807de1e..6225c525372d 100644 --- a/arch/x86/kernel/cpu/sgx/encl.c +++ b/arch/x86/kernel/cpu/sgx/encl.c @@ -268,7 +268,7 @@ static struct sgx_encl_page *sgx_encl_load_page_in_vma(= struct sgx_encl *encl, unsigned long addr, unsigned long vm_flags) { - unsigned long vm_prot_bits =3D vm_flags & (VM_READ | VM_WRITE | VM_EXEC); + unsigned long vm_prot_bits =3D vm_flags & VM_ACCESS_FLAGS; struct sgx_encl_page *entry; =20 entry =3D xa_load(&encl->page_array, PFN_DOWN(addr)); @@ -502,7 +502,7 @@ static void sgx_vma_open(struct vm_area_struct *vma) int sgx_encl_may_map(struct sgx_encl *encl, unsigned long start, unsigned long end, unsigned long vm_flags) { - unsigned long vm_prot_bits =3D vm_flags & (VM_READ | VM_WRITE | VM_EXEC); + unsigned long vm_prot_bits =3D vm_flags & VM_ACCESS_FLAGS; struct sgx_encl_page *page; unsigned long count =3D 0; int ret =3D 0; --=20 2.35.3 From nobody Tue Apr 7 19:04:13 2026 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 1CD62C433FE for ; Wed, 19 Oct 2022 03:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229956AbiJSDat (ORCPT ); Tue, 18 Oct 2022 23:30:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229935AbiJSDa3 (ORCPT ); Tue, 18 Oct 2022 23:30:29 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C534A659E1; Tue, 18 Oct 2022 20:30:23 -0700 (PDT) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Msbkb21cWznV2c; Wed, 19 Oct 2022 11:27:03 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500021.china.huawei.com (7.185.36.109) 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 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 3/5] mm: mprotect: use VM_ACCESS_FLAGS Date: Wed, 19 Oct 2022 11:49:43 +0800 Message-ID: <20221019034945.93081-4-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 Content-Transfer-Encoding: quoted-printable 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-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS. Signed-off-by: Kefeng Wang --- mm/mprotect.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/mprotect.c b/mm/mprotect.c index 668bfaa6ed2a..99762403cc8f 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -756,8 +756,7 @@ static int do_mprotect_pkey(unsigned long start, size_t= len, * If a permission is not passed to mprotect(), it must be * cleared from the VMA. */ - mask_off_old_flags =3D VM_READ | VM_WRITE | VM_EXEC | - VM_FLAGS_CLEAR; + mask_off_old_flags =3D VM_ACCESS_FLAGS | VM_FLAGS_CLEAR; =20 new_vma_pkey =3D arch_override_mprotect_pkey(vma, prot, pkey); newflags =3D calc_vm_prot_bits(prot, new_vma_pkey); --=20 2.35.3 From nobody Tue Apr 7 19:04:13 2026 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 91F18C433FE for ; Wed, 19 Oct 2022 03:30:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229954AbiJSDaP (ORCPT ); Tue, 18 Oct 2022 23:30:15 -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 Content-Transfer-Encoding: quoted-printable 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-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 wi= th * 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 =3D get_random_vaddr(); - args->page_prot =3D vm_get_page_prot(VMFLAGS); + args->page_prot =3D vm_get_page_prot(VM_ACCESS_FLAGS); args->page_prot_none =3D vm_get_page_prot(VM_NONE); args->is_contiguous_page =3D false; args->pud_pfn =3D ULONG_MAX; --=20 2.35.3 From nobody Tue Apr 7 19:04:13 2026 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 407EEC433FE for ; Wed, 19 Oct 2022 03:31:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230095AbiJSDbR (ORCPT ); Tue, 18 Oct 2022 23:31:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229933AbiJSDao (ORCPT ); Tue, 18 Oct 2022 23:30:44 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02E1AA8355; Tue, 18 Oct 2022 20:30:32 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MsbpS1MRdzHv24; Wed, 19 Oct 2022 11:30:24 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500022.china.huawei.com (7.185.36.162) 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 11:29:58 +0800 From: Kefeng Wang To: , Andrew Morton CC: Dinh Nguyen , Jarkko Sakkinen , Dave Hansen , , , , Kefeng Wang , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , David Airlie , Daniel Vetter Subject: [PATCH 5/5] amdgpu: use VM_ACCESS_FLAGS Date: Wed, 19 Oct 2022 11:49:45 +0800 Message-ID: <20221019034945.93081-6-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 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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-kernel@vger.kernel.org Simplify VM_READ|VM_WRITE|VM_EXEC with VM_ACCESS_FLAGS. Cc: Alex Deucher Cc: "Christian K=C3=B6nig" Cc: "Pan, Xinhui" Cc: David Airlie Cc: Daniel Vetter Signed-off-by: Kefeng Wang --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/= amdgpu/amdgpu_gem.c index 8ef31d687ef3..4728be161828 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -255,7 +255,7 @@ static int amdgpu_gem_object_mmap(struct drm_gem_object= *obj, struct vm_area_str * becoming writable and makes is_cow_mapping(vm_flags) false. */ if (is_cow_mapping(vma->vm_flags) && - !(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC))) + !(vma->vm_flags & VM_ACCESS_FLAGS)) vma->vm_flags &=3D ~VM_MAYWRITE; =20 return drm_gem_ttm_mmap(obj, vma); --=20 2.35.3