Messages in this thread | | | Date | Sat, 13 Nov 2021 05:10:21 +0800 | From | kernel test robot <> | Subject | [rppt:pks/v0.0 18/27] arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git pks/v0.0 head: eed09ce6622d550ab5b10a86e7dd6c2ff6bd59d9 commit: 32e6645b0f3c84ee6e8d9a5566dffa5003821e37 [18/27] x86, mm: Protect page tables with PKS config: x86_64-randconfig-a012-20211103 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/commit/?id=32e6645b0f3c84ee6e8d9a5566dffa5003821e37 git remote add rppt https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git git fetch --no-tags rppt pks/v0.0 git checkout 32e6645b0f3c84ee6e8d9a5566dffa5003821e37 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
ld: arch/x86/entry/common.o: in function `pkrs_restore_irq': >> arch/x86/entry/common.c:304: undefined reference to `write_pkrs' ld: arch/x86/entry/common.o: in function `pkrs_save_set_irq': arch/x86/entry/common.c:293: undefined reference to `write_pkrs' ld: arch/x86/kernel/process_64.o: in function `__switch_to': >> arch/x86/kernel/process_64.c:661: undefined reference to `write_pkrs' ld: arch/x86/kernel/cpu/common.o: in function `identify_cpu': >> arch/x86/kernel/cpu/common.c:1601: undefined reference to `setup_pks' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' >> ld: arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' >> ld: arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' >> ld: arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': >> arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': >> arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `enable_pgtable_write': arch/x86/mm/pgtable.c:959: undefined reference to `pks_mk_readwrite' ld: arch/x86/mm/pgtable.o: in function `disable_pgtable_write': arch/x86/mm/pgtable.c:965: undefined reference to `pks_mk_readonly' ld: arch/x86/mm/pgtable.o: in function `pks_page_init': arch/x86/mm/pgtable.c:974: undefined reference to `pks_key_alloc' ld: arch/x86/mm/pgtable.c:982: undefined reference to `pks_key_free'
vim +959 arch/x86/mm/pgtable.c
955 956 void enable_pgtable_write(void) 957 { 958 if (pks_page_en) > 959 pks_mk_readwrite(STATIC_TABLE_KEY); 960 } 961 962 void disable_pgtable_write(void) 963 { 964 if (pks_page_en) > 965 pks_mk_readonly(STATIC_TABLE_KEY); 966 } 967 968 static int __init pks_page_init(void) 969 { 970 /* 971 * TODO: Needs global keys to be initially set globally readable, for now 972 * warn if its not the expected static key 973 */ > 974 pks_key = pks_key_alloc("PKS protected page tables"); 975 if (pks_key < 0) 976 goto out; 977 WARN_ON(pks_key != STATIC_TABLE_KEY); 978 979 pks_page_en = !init_grouped_page_cache(&gpc_pks, GFP_KERNEL | PGTABLE_HIGHMEM, 980 _pks_protect, _pks_unprotect); 981 if (!pks_page_en) > 982 pks_key_free(pks_key); 983 984 out: 985 return !pks_page_en; 986 } 987
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