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remove CONFIG_UTS_NS and CONFIG_IPC_NS

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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>
This commit is contained in:
Cedric Le Goater
2007-07-15 23:40:58 -07:00
committed by Linus Torvalds
parent 522ed7767e
commit 7d69a1f4a7
11 changed files with 12 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
ipc/msg.c
View File

@@ -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)
{

4
ipc/sem.c
View File

@@ -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)
{

4
ipc/shm.c
View File

@@ -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)
{

11
ipc/util.c
View File

@@ -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;

8
ipc/util.h
View File

@@ -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 *));