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Date: Sat, 17 Dec 2022 06:46:28 +0800
From: kernel test robot <lkp@...el.com>
To: Nhat Pham <nphamcs@...il.com>, akpm@...ux-foundation.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
hannes@...xchg.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, bfoster@...hat.com,
willy@...radead.org, kernel-team@...a.com
Subject: Re: [PATCH v4 3/4] cachestat: implement cachestat syscall
Hi Nhat,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on shuah-kselftest/next]
[also build test ERROR on shuah-kselftest/fixes tip/x86/asm akpm-mm/mm-everything linus/master v6.1 next-20221216]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Nhat-Pham/cachestat-a-new-syscall-for-page-cache-state-of-files/20221217-032254
base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link: https://lore.kernel.org/r/20221216192149.3902877-4-nphamcs%40gmail.com
patch subject: [PATCH v4 3/4] cachestat: implement cachestat syscall
config: arm64-randconfig-r035-20221216
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 98b13979fb05f3ed288a900deb843e7b27589e58)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/85fdb04584b3d9a3b90d2c63794ec65e8d996b18
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Nhat-Pham/cachestat-a-new-syscall-for-page-cache-state-of-files/20221217-032254
git checkout 85fdb04584b3d9a3b90d2c63794ec65e8d996b18
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:10:
In file included from include/linux/arm_sdei.h:8:
In file included from include/acpi/ghes.h:5:
In file included from include/acpi/apei.h:9:
In file included from include/linux/acpi.h:15:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/arm64/include/asm/elf.h:141:
In file included from include/linux/fs.h:49:
In file included from include/uapi/linux/mman.h:5:
>> arch/arm64/include/asm/mman.h:15:10: error: use of undeclared identifier 'VM_ARM64_BTI'
ret |= VM_ARM64_BTI;
^
>> arch/arm64/include/asm/mman.h:18:10: error: use of undeclared identifier 'VM_MTE'
ret |= VM_MTE;
^
>> arch/arm64/include/asm/mman.h:32:10: error: use of undeclared identifier 'VM_MTE_ALLOWED'
return VM_MTE_ALLOWED;
^
arch/arm64/include/asm/mman.h:59:22: error: use of undeclared identifier 'VM_MTE'
return !(vm_flags & VM_MTE) || (vm_flags & VM_MTE_ALLOWED);
^
arch/arm64/include/asm/mman.h:59:45: error: use of undeclared identifier 'VM_MTE_ALLOWED'
return !(vm_flags & VM_MTE) || (vm_flags & VM_MTE_ALLOWED);
^
5 errors generated.
make[2]: *** [scripts/Makefile.build:118: arch/arm64/kernel/asm-offsets.s] Error 1
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:1270: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:231: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/VM_ARM64_BTI +15 arch/arm64/include/asm/mman.h
8ef8f360cf30be Dave Martin 2020-03-16 8
8ef8f360cf30be Dave Martin 2020-03-16 9 static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
8ef8f360cf30be Dave Martin 2020-03-16 10 unsigned long pkey __always_unused)
8ef8f360cf30be Dave Martin 2020-03-16 11 {
9f3419315f3cdc Catalin Marinas 2019-11-27 12 unsigned long ret = 0;
9f3419315f3cdc Catalin Marinas 2019-11-27 13
8ef8f360cf30be Dave Martin 2020-03-16 14 if (system_supports_bti() && (prot & PROT_BTI))
9f3419315f3cdc Catalin Marinas 2019-11-27 @15 ret |= VM_ARM64_BTI;
8ef8f360cf30be Dave Martin 2020-03-16 16
9f3419315f3cdc Catalin Marinas 2019-11-27 17 if (system_supports_mte() && (prot & PROT_MTE))
9f3419315f3cdc Catalin Marinas 2019-11-27 @18 ret |= VM_MTE;
9f3419315f3cdc Catalin Marinas 2019-11-27 19
9f3419315f3cdc Catalin Marinas 2019-11-27 20 return ret;
8ef8f360cf30be Dave Martin 2020-03-16 21 }
8ef8f360cf30be Dave Martin 2020-03-16 22 #define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
8ef8f360cf30be Dave Martin 2020-03-16 23
9f3419315f3cdc Catalin Marinas 2019-11-27 24 static inline unsigned long arch_calc_vm_flag_bits(unsigned long flags)
9f3419315f3cdc Catalin Marinas 2019-11-27 25 {
9f3419315f3cdc Catalin Marinas 2019-11-27 26 /*
9f3419315f3cdc Catalin Marinas 2019-11-27 27 * Only allow MTE on anonymous mappings as these are guaranteed to be
9f3419315f3cdc Catalin Marinas 2019-11-27 28 * backed by tags-capable memory. The vm_flags may be overridden by a
9f3419315f3cdc Catalin Marinas 2019-11-27 29 * filesystem supporting MTE (RAM-based).
9f3419315f3cdc Catalin Marinas 2019-11-27 30 */
9f3419315f3cdc Catalin Marinas 2019-11-27 31 if (system_supports_mte() && (flags & MAP_ANONYMOUS))
9f3419315f3cdc Catalin Marinas 2019-11-27 @32 return VM_MTE_ALLOWED;
9f3419315f3cdc Catalin Marinas 2019-11-27 33
9f3419315f3cdc Catalin Marinas 2019-11-27 34 return 0;
9f3419315f3cdc Catalin Marinas 2019-11-27 35 }
9f3419315f3cdc Catalin Marinas 2019-11-27 36 #define arch_calc_vm_flag_bits(flags) arch_calc_vm_flag_bits(flags)
9f3419315f3cdc Catalin Marinas 2019-11-27 37
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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