diff options
| author | David S. Miller <davem@davemloft.net> | 2009-03-05 02:06:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-05 02:06:47 -0800 |
| commit | 508827ff0ac3981d420edac64a70de7f4e304d38 (patch) | |
| tree | b0cee8ddef9f0ceab68c388e4ae46b7295eb2cb5 /include/linux/rcuclassic.h | |
| parent | 2c3c3d02f28801d7ad2da4952b2c7ca6621ef221 (diff) | |
| parent | 72e2240f181871675d3a979766330c91d48a1673 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/tokenring/tmspci.c
drivers/net/ucc_geth_mii.c
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 f3f697df1d7..80044a4f3ab 100644 --- a/include/linux/rcuclassic.h +++ b/include/linux/rcuclassic.h @@ -181,4 +181,10 @@ extern long rcu_batches_completed_bh(void); #define rcu_enter_nohz() do { } while (0) #define rcu_exit_nohz() do { } while (0) +/* A context switch is a grace period for rcuclassic. */ +static inline int rcu_blocking_is_gp(void) +{ + return num_online_cpus() == 1; +} + #endif /* __LINUX_RCUCLASSIC_H */ |