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| author | David S. Miller <davem@davemloft.net> | 2009-03-19 02:53:57 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-19 02:53:57 -0400 |
| commit | 0702b30dd821ac8a4103ddbe545518713fdca9be (patch) | |
| tree | 8ce0c9f5e58c5ccb99870505eecd139986caa05e /include/linux/rcuclassic.h | |
| parent | 192d7a4667c6d11d1a174ec4cad9a3c5d5f9043c (diff) | |
| parent | a1e4ee22863d41a6fbb24310d7951836cb6dafe7 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/rcuclassic.h')
| -rw-r--r-- | include/linux/rcuclassic.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h index f3f697df1d71..80044a4f3ab9 100644 --- a/include/linux/rcuclassic.h +++ b/include/linux/rcuclassic.h | |||
| @@ -181,4 +181,10 @@ extern long rcu_batches_completed_bh(void); | |||
| 181 | #define rcu_enter_nohz() do { } while (0) | 181 | #define rcu_enter_nohz() do { } while (0) |
| 182 | #define rcu_exit_nohz() do { } while (0) | 182 | #define rcu_exit_nohz() do { } while (0) |
| 183 | 183 | ||
| 184 | /* A context switch is a grace period for rcuclassic. */ | ||
| 185 | static inline int rcu_blocking_is_gp(void) | ||
| 186 | { | ||
| 187 | return num_online_cpus() == 1; | ||
| 188 | } | ||
| 189 | |||
| 184 | #endif /* __LINUX_RCUCLASSIC_H */ | 190 | #endif /* __LINUX_RCUCLASSIC_H */ |