Hi Christopher, [auto build test ERROR on net/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Christopher-S-Hall/Patchset-enabling-hardware-based-cross-timestamps-for-next-gen-Intel-platforms/20151013-095135 config: x86_64-randconfig-x015-10130227 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): arch/x86/kernel/tsc.c: In function 'convert_art_to_tsc': >> arch/x86/kernel/tsc.c:1098:18: error: 'art_to_tsc_denominator' undeclared >> (first use in this function) res = (cycles / art_to_tsc_denominator) * art_to_tsc_numerator; ^ arch/x86/kernel/tsc.c:1098:18: note: each undeclared identifier is reported only once for each function it appears in >> arch/x86/kernel/tsc.c:1098:44: error: 'art_to_tsc_numerator' undeclared >> (first use in this function) res = (cycles / art_to_tsc_denominator) * art_to_tsc_numerator; ^ vim +/art_to_tsc_denominator +1098 arch/x86/kernel/tsc.c 1092 * Convert ART to TSC given numerator/denominator found in detect_art() 1093 */ 1094 static u64 convert_art_to_tsc(struct correlated_cs *cs, u64 cycles) 1095 { 1096 u64 tmp, res; 1097 > 1098 res = (cycles / art_to_tsc_denominator) * art_to_tsc_numerator; 1099 tmp = (cycles % art_to_tsc_denominator) * art_to_tsc_numerator; 1100 res += tmp / art_to_tsc_denominator; 1101 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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