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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-03-27 18:14:38 +0300 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-03-27 18:14:38 +0300 |
| commit | b92efa9abffc4a634cd2e7a0f81f8aa6310d67c9 (patch) | |
| tree | 9847508d9b8d4e585f90db4a453bfbc3700c997e /include/linux/rcutree.h | |
| parent | a16fffdd8eb95ebab7dc22414896fe6493951e0e (diff) | |
| parent | be0ea69674ed95e1e98cb3687a241badc756d228 (diff) | |
| download | linux-b92efa9abffc4a634cd2e7a0f81f8aa6310d67c9.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into avr32-arch
Diffstat (limited to 'include/linux/rcutree.h')
| -rw-r--r-- | include/linux/rcutree.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index d4368b7975c3..a722fb67bb2d 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -326,4 +326,10 @@ static inline void rcu_exit_nohz(void) } #endif /* CONFIG_NO_HZ */ +/* A context switch is a grace period for rcutree. */ +static inline int rcu_blocking_is_gp(void) +{ + return num_online_cpus() == 1; +} + #endif /* __LINUX_RCUTREE_H */ |