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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-18 15:27:54 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-18 15:27:54 (GMT)
commitb8ae30ee26d379db436b0b8c8c3ff1b52f69e5d1 (patch)
tree506aa0b4bdbf90f61e7e9261c7db90aa1452dcce /kernel/user.c
parent4d7b4ac22fbec1a03206c6cde353f2fd6942f828 (diff)
parent9c6f7e43b4e02c161b53e97ba913855246876c61 (diff)
downloadlinux-fsl-qoriq-b8ae30ee26d379db436b0b8c8c3ff1b52f69e5d1.tar.xz
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.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/user.c b/kernel/user.c
index 766467b..7e72614 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;
}