Hi Dave, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/x86/core] [also build test ERROR on v4.17-rc1 next-20180418] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dave-Hansen/x86-pti-fix-boot-problems-from-Global-bit-setting/20180418-181719 config: i386-randconfig-a0-201815 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): arch/x86/mm/pageattr.c: In function '__cpa_pfn_in_highmap': arch/x86/mm/pageattr.c:1161:2: error: implicit declaration of function 'highmap_start_pfn' [-Werror=implicit-function-declaration] return within_inclusive(pfn, highmap_start_pfn(), ^ >> arch/x86/mm/pageattr.c:1162:4: error: implicit declaration of function 'highmap_end_pfn' [-Werror=implicit-function-declaration] highmap_end_pfn()); ^ cc1: some warnings being treated as errors vim +/highmap_end_pfn +1162 arch/x86/mm/pageattr.c 1154 1155 bool __cpa_pfn_in_highmap(unsigned long pfn) 1156 { 1157 /* 1158 * Kernel text has an alias mapping at a high address, known 1159 * here as "highmap". 1160 */ > 1161 return within_inclusive(pfn, highmap_start_pfn(), > 1162 highmap_end_pfn()); 1163 } 1164 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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