Re: [PATCH v4 2/4] Always running timer correlated clocksource

kbuild test robot
2015-10-13T02:03:47Z

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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

---
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