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Received: from [50.53.46.231] (helo=[192.168.254.15]) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1rOTcs-004RUV-22; Sat, 13 Jan 2024 02:19:58 +0000 Message-ID: Date: Fri, 12 Jan 2024 18:19:55 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 0/4] Introduce mseal() Content-Language: en-US To: jeffxu@chromium.org, akpm@linux-foundation.org, keescook@chromium.org, jannh@google.com, sroettger@google.com, willy@infradead.org, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, usama.anjum@collabora.com Cc: jeffxu@google.com, jorgelo@chromium.org, groeck@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, pedro.falcato@gmail.com, dave.hansen@intel.com, linux-hardening@vger.kernel.org, deraadt@openbsd.org References: <20240111234142.2944934-1-jeffxu@chromium.org> From: Randy Dunlap In-Reply-To: <20240111234142.2944934-1-jeffxu@chromium.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 948B51C000A X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: wsszocymgdnpuueech7eryzabbrwu75h X-HE-Tag: 1705112417-830701 X-HE-Meta: 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 kP2wIotS HSXx+Q4XwF2d8RbWopdFehS6CzUXfJAx/leHlRzE8eP5R4m5FmE7wFuCsnv8FfA4cEdXIwIk5HfAHOqSgGOIR4kmxpFE1eYRSsqbJvjlUCkUxxkmclxDg1SHIPoSDwzR4VCSmvxDTme6T7yCHibdzV04RLIrS246w+unYL5076SRfccaJY9s4IrcJwI2jvXbLIPCnVAED8dKsZ5UT1QlY0azitCkC5eYwn3K1c0Aur3O1n4ghA03xqabMGyVP2isNpWCBQjMWg+VSZxtoa+oIENhg8yv+iNXgeYUZKoUi+2sHxaBbtFDQBprR9KZrsNfg+304W9axAveO2R+SyAEhy8oDYvW+IEZ4PWORbXsK4iktLri5+0W69P7Rmw== 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: List-Subscribe: List-Unsubscribe: On 1/11/24 15:41, jeffxu@chromium.org wrote: > From: Jeff Xu > > This patchset proposes a new mseal() syscall for the Linux kernel. > Jeff, Building arm64 defconfig, on linux-next-20240112, I get: CC arch/arm64/kernel/asm-offsets.s In file included from ../include/uapi/linux/mman.h:5, from ../include/linux/mm.h:33, from ../include/linux/memblock.h:12, from ../arch/arm64/include/asm/acpi.h:14, from ../include/acpi/acpi_io.h:7, from ../include/linux/acpi.h:39, from ../include/acpi/apei.h:9, from ../include/acpi/ghes.h:5, from ../include/linux/arm_sdei.h:8, from ../arch/arm64/kernel/asm-offsets.c:10: ../arch/arm64/include/asm/mman.h: In function 'arch_calc_vm_prot_bits': ../arch/arm64/include/asm/mman.h:15:24: error: 'VM_ARM64_BTI' undeclared (first use in this function); did you mean 'ARM64_BTI'? 15 | ret |= VM_ARM64_BTI; | ^~~~~~~~~~~~ | ARM64_BTI ../arch/arm64/include/asm/mman.h:15:24: note: each undeclared identifier is reported only once for each function it appears in ../arch/arm64/include/asm/mman.h:18:24: error: 'VM_MTE' undeclared (first use in this function); did you mean 'VM_MAP'? 18 | ret |= VM_MTE; | ^~~~~~ | VM_MAP ../arch/arm64/include/asm/mman.h: In function 'arch_calc_vm_flag_bits': ../arch/arm64/include/asm/mman.h:32:24: error: 'VM_MTE_ALLOWED' undeclared (first use in this function) 32 | return VM_MTE_ALLOWED; | ^~~~~~~~~~~~~~ ../arch/arm64/include/asm/mman.h: In function 'arch_validate_flags': ../arch/arm64/include/asm/mman.h:59:29: error: 'VM_MTE' undeclared (first use in this function); did you mean 'VM_MAP'? 59 | return !(vm_flags & VM_MTE) || (vm_flags & VM_MTE_ALLOWED); | ^~~~~~ | VM_MAP ../arch/arm64/include/asm/mman.h:59:52: error: 'VM_MTE_ALLOWED' undeclared (first use in this function) 59 | return !(vm_flags & VM_MTE) || (vm_flags & VM_MTE_ALLOWED); | ^~~~~~~~~~~~~~ -- #Randy