Maksytka/linux
1
1
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-11-30 23:16:01 +07:00
Code Issues Packages Projects Releases Wiki Activity

ipc: support ns lookup

Browse Source 
Support the generic ns lookup infrastructure to support file handles for
namespaces.

Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-09-12 13:52:43 +02:00
parent 7c60593985
commit 74b24a582e
3 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
ipc/msgutil.c
View File

@@ -15,6 +15,7 @@
#include <linux/proc_ns.h> #include <linux/proc_ns.h>
#include <linux/uaccess.h> #include <linux/uaccess.h>
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/nstree.h>
#include "util.h" #include "util.h"

3
ipc/namespace.c
View File

@@ -15,6 +15,7 @@
#include <linux/mount.h> #include <linux/mount.h>
#include <linux/user_namespace.h> #include <linux/user_namespace.h>
#include <linux/proc_ns.h> #include <linux/proc_ns.h>
#include <linux/nstree.h>
#include <linux/sched/task.h> #include <linux/sched/task.h>
#include "util.h" #include "util.h"
@@ -85,6 +86,7 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns,
sem_init_ns(ns); sem_init_ns(ns);
shm_init_ns(ns); shm_init_ns(ns);
ns_tree_add(ns);
return ns; return ns;
@@ -201,6 +203,7 @@ void put_ipc_ns(struct ipc_namespace *ns)
mq_clear_sbinfo(ns); mq_clear_sbinfo(ns);
spin_unlock(&mq_lock); spin_unlock(&mq_lock);
ns_tree_remove(ns);
if (llist_add(&ns->mnt_llist, &free_ipc_list)) if (llist_add(&ns->mnt_llist, &free_ipc_list))
schedule_work(&free_ipc_work); schedule_work(&free_ipc_work);
} }

2
ipc/shm.c
View File

@@ -45,6 +45,7 @@
#include <linux/mount.h> #include <linux/mount.h>
#include <linux/ipc_namespace.h> #include <linux/ipc_namespace.h>
#include <linux/rhashtable.h> #include <linux/rhashtable.h>
#include <linux/nstree.h>
#include <linux/uaccess.h> #include <linux/uaccess.h>
@@ -148,6 +149,7 @@ void shm_exit_ns(struct ipc_namespace *ns)
static int __init ipc_ns_init(void) static int __init ipc_ns_init(void)
{ {
shm_init_ns(&init_ipc_ns); shm_init_ns(&init_ipc_ns);
ns_tree_add(&init_ipc_ns);
return 0; return 0;
} }