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authorCedric Le Goater <clg@fr.ibm.com>2007-07-15 23:40:58 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:47 -0700
commit7d69a1f4a72b18876c99c697692b78339d491568 (patch)
treec09faf07f15240592919ec7e3dd722fe4f1dd370 /ipc
parent522ed7767e800cff6c650ec64b0ee0677303119c (diff)
downloadvexpress-lsk-7d69a1f4a72b18876c99c697692b78339d491568.tar.gz
remove CONFIG_UTS_NS and CONFIG_IPC_NS
CONFIG_UTS_NS and CONFIG_IPC_NS have very little value as they only deactivate the unshare of the uts and ipc namespaces and do not improve performance. Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Acked-by: "Serge E. Hallyn" <serue@us.ibm.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/msg.c4
-rw-r--r--ipc/sem.c4
-rw-r--r--ipc/shm.c4
-rw-r--r--ipc/util.c11
-rw-r--r--ipc/util.h8
5 files changed, 6 insertions, 25 deletions
diff --git a/ipc/msg.c b/ipc/msg.c
index a388824740e..cbd27e51994 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -87,7 +87,7 @@ static int newque (struct ipc_namespace *ns, key_t key, int msgflg);
static int sysvipc_msg_proc_show(struct seq_file *s, void *it);
#endif
-static void __ipc_init __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
{
ns->ids[IPC_MSG_IDS] = ids;
ns->msg_ctlmax = MSGMAX;
@@ -96,7 +96,6 @@ static void __ipc_init __msg_init_ns(struct ipc_namespace *ns, struct ipc_ids *i
ipc_init_ids(ids, ns->msg_ctlmni);
}
-#ifdef CONFIG_IPC_NS
int msg_init_ns(struct ipc_namespace *ns)
{
struct ipc_ids *ids;
@@ -128,7 +127,6 @@ void msg_exit_ns(struct ipc_namespace *ns)
kfree(ns->ids[IPC_MSG_IDS]);
ns->ids[IPC_MSG_IDS] = NULL;
}
-#endif
void __init msg_init(void)
{
diff --git a/ipc/sem.c b/ipc/sem.c
index 9964b2224c7..89bfdffb38d 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -121,7 +121,7 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it);
#define sc_semopm sem_ctls[2]
#define sc_semmni sem_ctls[3]
-static void __ipc_init __sem_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __sem_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
{
ns->ids[IPC_SEM_IDS] = ids;
ns->sc_semmsl = SEMMSL;
@@ -132,7 +132,6 @@ static void __ipc_init __sem_init_ns(struct ipc_namespace *ns, struct ipc_ids *i
ipc_init_ids(ids, ns->sc_semmni);
}
-#ifdef CONFIG_IPC_NS
int sem_init_ns(struct ipc_namespace *ns)
{
struct ipc_ids *ids;
@@ -164,7 +163,6 @@ void sem_exit_ns(struct ipc_namespace *ns)
kfree(ns->ids[IPC_SEM_IDS]);
ns->ids[IPC_SEM_IDS] = NULL;
}
-#endif
void __init sem_init (void)
{
diff --git a/ipc/shm.c b/ipc/shm.c
index 0852f206d89..242c3f66493 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -77,7 +77,7 @@ static void shm_destroy (struct ipc_namespace *ns, struct shmid_kernel *shp);
static int sysvipc_shm_proc_show(struct seq_file *s, void *it);
#endif
-static void __ipc_init __shm_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
+static void __shm_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids)
{
ns->ids[IPC_SHM_IDS] = ids;
ns->shm_ctlmax = SHMMAX;
@@ -98,7 +98,6 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *shp)
shm_destroy(ns, shp);
}
-#ifdef CONFIG_IPC_NS
int shm_init_ns(struct ipc_namespace *ns)
{
struct ipc_ids *ids;
@@ -130,7 +129,6 @@ void shm_exit_ns(struct ipc_namespace *ns)
kfree(ns->ids[IPC_SHM_IDS]);
ns->ids[IPC_SHM_IDS] = NULL;
}
-#endif
void __init shm_init (void)
{
diff --git a/ipc/util.c b/ipc/util.c
index 7536a7292d4..44e5135aee4 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -50,7 +50,6 @@ struct ipc_namespace init_ipc_ns = {
},
};
-#ifdef CONFIG_IPC_NS
static struct ipc_namespace *clone_ipc_ns(struct ipc_namespace *old_ns)
{
int err;
@@ -110,14 +109,6 @@ void free_ipc_ns(struct kref *kref)
shm_exit_ns(ns);
kfree(ns);
}
-#else
-struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns)
-{
- if (flags & CLONE_NEWIPC)
- return ERR_PTR(-EINVAL);
- return ns;
-}
-#endif
/**
* ipc_init - initialise IPC subsystem
@@ -145,7 +136,7 @@ __initcall(ipc_init);
* array itself.
*/
-void __ipc_init ipc_init_ids(struct ipc_ids* ids, int size)
+void ipc_init_ids(struct ipc_ids* ids, int size)
{
int i;
diff --git a/ipc/util.h b/ipc/util.h
index e3aa2c5c97d..333e891bcac 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -41,12 +41,8 @@ struct ipc_ids {
};
struct seq_file;
-#ifdef CONFIG_IPC_NS
-#define __ipc_init
-#else
-#define __ipc_init __init
-#endif
-void __ipc_init ipc_init_ids(struct ipc_ids *ids, int size);
+
+void ipc_init_ids(struct ipc_ids *ids, int size);
#ifdef CONFIG_PROC_FS
void __init ipc_init_proc_interface(const char *path, const char *header,
int ids, int (*show)(struct seq_file *, void *));