On 1/11/24 15:41, jeffxu@chromium.org wrote:
From: Jeff Xu jeffxu@google.com
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); | ^~~~~~~~~~~~~~