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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-07 15:43:04 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-07 15:43:04 +0100 |
| commit | a56e74f546b64be93731e42d83baf5b538cc1b11 (patch) | |
| tree | 18f6dee45d801e57ac9db2a31664b0d5c0762c50 /ipc/util.h | |
| parent | ARM: bL_switcher: Add query interface to discover CPU affinities (diff) | |
| parent | ARM: add support for bit sliced AES using NEON instructions (diff) | |
| download | wireguard-linux-a56e74f546b64be93731e42d83baf5b538cc1b11.tar.xz wireguard-linux-a56e74f546b64be93731e42d83baf5b538cc1b11.zip | |
Merge branch 'arm-aesbs' of git://git.linaro.org/people/ardbiesheuvel/linux-arm into devel-stable
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ipc/util.h b/ipc/util.h index c5f3338ba1fa..f2f5036f2eed 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -47,6 +47,13 @@ static inline void msg_exit_ns(struct ipc_namespace *ns) { } static inline void shm_exit_ns(struct ipc_namespace *ns) { } #endif +struct ipc_rcu { + struct rcu_head rcu; + atomic_t refcount; +} ____cacheline_aligned_in_smp; + +#define ipc_rcu_to_struct(p) ((void *)(p+1)) + /* * Structure that holds the parameters needed by the ipc operations * (see after) @@ -120,7 +127,8 @@ void ipc_free(void* ptr, int size); */ void* ipc_rcu_alloc(int size); int ipc_rcu_getref(void *ptr); -void ipc_rcu_putref(void *ptr); +void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head)); +void ipc_rcu_free(struct rcu_head *head); struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int); struct kern_ipc_perm *ipc_obtain_object(struct ipc_ids *ids, int id); |