aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/rcuclassic.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-03-05 05:06:47 -0500
committerDavid S. Miller <davem@davemloft.net>2009-03-05 05:06:47 -0500
commit508827ff0ac3981d420edac64a70de7f4e304d38 (patch)
treeb0cee8ddef9f0ceab68c388e4ae46b7295eb2cb5 /include/linux/rcuclassic.h
parent2c3c3d02f28801d7ad2da4952b2c7ca6621ef221 (diff)
parent72e2240f181871675d3a979766330c91d48a1673 (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.h6
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. */
185static 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 */