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| author | James Morris <jmorris@namei.org> | 2009-12-09 19:01:03 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-12-09 19:01:03 +1100 |
| commit | 1ad1f10cd915744bbe52b19423653b38287d827d (patch) | |
| tree | ae072aace36b45a55d80b8cbf1b6d92523a88ea0 /arch/s390/include/asm/cputime.h | |
| parent | 08e3daff217059c84c360cc71212686e0a7995af (diff) | |
| parent | 2b876f95d03e226394b5d360c86127cbefaf614b (diff) | |
| download | kernel-crypto-1ad1f10cd915744bbe52b19423653b38287d827d.tar.gz kernel-crypto-1ad1f10cd915744bbe52b19423653b38287d827d.tar.xz kernel-crypto-1ad1f10cd915744bbe52b19423653b38287d827d.zip | |
Merge branch 'master' into next
Diffstat (limited to 'arch/s390/include/asm/cputime.h')
| -rw-r--r-- | arch/s390/include/asm/cputime.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index f23961ada7f..258ba88b7b5 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -183,6 +183,7 @@ struct s390_idle_data { unsigned long long idle_count; unsigned long long idle_enter; unsigned long long idle_time; + int nohz_delay; }; DECLARE_PER_CPU(struct s390_idle_data, s390_idle); @@ -198,4 +199,11 @@ static inline void s390_idle_check(void) vtime_start_cpu(); } +static inline int s390_nohz_delay(int cpu) +{ + return per_cpu(s390_idle, cpu).nohz_delay != 0; +} + +#define arch_needs_cpu(cpu) s390_nohz_delay(cpu) + #endif /* _S390_CPUTIME_H */ |