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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 08:27:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 08:27:54 -0700 |
| commit | b8ae30ee26d379db436b0b8c8c3ff1b52f69e5d1 (patch) | |
| tree | 506aa0b4bdbf90f61e7e9261c7db90aa1452dcce /kernel/user.c | |
| parent | 4d7b4ac22fbec1a03206c6cde353f2fd6942f828 (diff) | |
| parent | 9c6f7e43b4e02c161b53e97ba913855246876c61 (diff) | |
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (49 commits)
stop_machine: Move local variable closer to the usage site in cpu_stop_cpu_callback()
sched, wait: Use wrapper functions
sched: Remove a stale comment
ondemand: Make the iowait-is-busy time a sysfs tunable
ondemand: Solve a big performance issue by counting IOWAIT time as busy
sched: Intoduce get_cpu_iowait_time_us()
sched: Eliminate the ts->idle_lastupdate field
sched: Fold updating of the last_update_time_info into update_ts_time_stats()
sched: Update the idle statistics in get_cpu_idle_time_us()
sched: Introduce a function to update the idle statistics
sched: Add a comment to get_cpu_idle_time_us()
cpu_stop: add dummy implementation for UP
sched: Remove rq argument to the tracepoints
rcu: need barrier() in UP synchronize_sched_expedited()
sched: correctly place paranioa memory barriers in synchronize_sched_expedited()
sched: kill paranoia check in synchronize_sched_expedited()
sched: replace migration_thread with cpu_stop
stop_machine: reimplement using cpu_stop
cpu_stop: implement stop_cpu[s]()
sched: Fix select_idle_sibling() logic in select_task_rq_fair()
...
Diffstat (limited to 'kernel/user.c')
| -rw-r--r-- | kernel/user.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/user.c b/kernel/user.c index 766467b3bcb7..7e72614b736d 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -16,7 +16,6 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/user_namespace.h> -#include "cred-internals.h" struct user_namespace init_user_ns = { .kref = { @@ -137,9 +136,6 @@ struct user_struct *alloc_uid(struct user_namespace *ns, uid_t uid) struct hlist_head *hashent = uidhashentry(ns, uid); struct user_struct *up, *new; - /* Make uid_hash_find() + uids_user_create() + uid_hash_insert() - * atomic. - */ spin_lock_irq(&uidhash_lock); up = uid_hash_find(uid, hashent); spin_unlock_irq(&uidhash_lock); @@ -161,11 +157,6 @@ struct user_struct *alloc_uid(struct user_namespace *ns, uid_t uid) spin_lock_irq(&uidhash_lock); up = uid_hash_find(uid, hashent); if (up) { - /* This case is not possible when CONFIG_USER_SCHED - * is defined, since we serialize alloc_uid() using - * uids_mutex. Hence no need to call - * sched_destroy_user() or remove_user_sysfs_dir(). - */ key_put(new->uid_keyring); key_put(new->session_keyring); kmem_cache_free(uid_cachep, new); @@ -178,8 +169,6 @@ struct user_struct *alloc_uid(struct user_namespace *ns, uid_t uid) return up; - put_user_ns(new->user_ns); - kmem_cache_free(uid_cachep, new); out_unlock: return NULL; } |