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author | Keir Fraser <keir.fraser@citrix.com> | 2010-06-10 18:01:03 +0100 |
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committer | Keir Fraser <keir.fraser@citrix.com> | 2010-06-10 18:01:03 +0100 |
commit | 2c76d23d0c7886cce135bf73cb0e99819a436990 (patch) | |
tree | f36e304fa62b4ec6e4170875d9941ee053e4baed /xen/include/xen/rcupdate.h | |
parent | 5bc894f65b3a26cd0ee1fc7658e95f2908fdbb0b (diff) | |
download | xen-2c76d23d0c7886cce135bf73cb0e99819a436990.tar.gz xen-2c76d23d0c7886cce135bf73cb0e99819a436990.tar.bz2 xen-2c76d23d0c7886cce135bf73cb0e99819a436990.zip |
rcu: Update all rcu_read_lock() users to implement a dummy RCU read lock.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/include/xen/rcupdate.h')
-rw-r--r-- | xen/include/xen/rcupdate.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/include/xen/rcupdate.h b/xen/include/xen/rcupdate.h index 285e574e28..68f98acfda 100644 --- a/xen/include/xen/rcupdate.h +++ b/xen/include/xen/rcupdate.h @@ -145,14 +145,14 @@ typedef struct _rcu_read_lock rcu_read_lock_t; * * It is illegal to block while in an RCU read-side critical section. */ -#define rcu_read_lock(x) do { } while (0) +#define rcu_read_lock(x) ((void)(x)) /** * rcu_read_unlock - marks the end of an RCU read-side critical section. * * See rcu_read_lock() for more information. */ -#define rcu_read_unlock(x) do { } while (0) +#define rcu_read_unlock(x) ((void)(x)) /* * So where is rcu_write_lock()? It does not exist, as there is no |