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| author | Gleb Natapov <gleb@redhat.com> | 2011-05-04 16:31:03 +0300 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-05 23:16:59 -0700 |
| commit | 29ce831000081dd757d3116bf774aafffc4b6b20 (patch) | |
| tree | 0b992d993b02d3479a150e9fc508d110dc45631d /include/linux/rcutiny.h | |
| parent | bad6e1393cb505fe17747344a23666464daa3fa7 (diff) | |
| download | lwn-29ce831000081dd757d3116bf774aafffc4b6b20.tar.gz lwn-29ce831000081dd757d3116bf774aafffc4b6b20.zip | |
rcu: provide rcu_virt_note_context_switch() function.
Provide rcu_virt_note_context_switch() for vitalization use to note
quiescent state during guest entry.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/linux/rcutiny.h')
| -rw-r--r-- | include/linux/rcutiny.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 30ebd7c8d874..52b3e0281fd0 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -100,6 +100,14 @@ static inline void rcu_note_context_switch(int cpu) } /* + * Take advantage of the fact that there is only one CPU, which + * allows us to ignore virtualization-based context switches. + */ +static inline void rcu_virt_note_context_switch(int cpu) +{ +} + +/* * Return the number of grace periods. */ static inline long rcu_batches_completed(void) |