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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-13 01:33:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-13 01:33:21 +0100 |
| commit | 480c93df5b99699390f93a7024c9f60d09da0e96 (patch) | |
| tree | b93b6c8c71c5f2e716dd05b126e01ef4e20ff0af /kernel | |
| parent | aecfcde920da8d32949f6cbbc1fc051b4ef9e7be (diff) | |
| parent | d820ac4c2fa881079e6b689d2098adce337558ae (diff) | |
| download | linux-480c93df5b99699390f93a7024c9f60d09da0e96.tar.gz linux-480c93df5b99699390f93a7024c9f60d09da0e96.tar.bz2 linux-480c93df5b99699390f93a7024c9f60d09da0e96.zip | |
Merge branch 'core/locking' into tracing/ftrace
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/lockdep.c | 7 | ||||
| -rw-r--r-- | kernel/softirq.c | 4 | ||||
| -rw-r--r-- | kernel/user.c | 14 |
3 files changed, 9 insertions, 16 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index cb70c1db85d0..71b567f52813 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -434,13 +434,6 @@ atomic_t nr_find_usage_forwards_checks; atomic_t nr_find_usage_forwards_recursions; atomic_t nr_find_usage_backwards_checks; atomic_t nr_find_usage_backwards_recursions; -# define debug_atomic_inc(ptr) atomic_inc(ptr) -# define debug_atomic_dec(ptr) atomic_dec(ptr) -# define debug_atomic_read(ptr) atomic_read(ptr) -#else -# define debug_atomic_inc(ptr) do { } while (0) -# define debug_atomic_dec(ptr) do { } while (0) -# define debug_atomic_read(ptr) 0 #endif /* diff --git a/kernel/softirq.c b/kernel/softirq.c index bbf6d6496f05..7571bcb71be4 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -191,7 +191,7 @@ asmlinkage void __do_softirq(void) account_system_vtime(current); __local_bh_disable((unsigned long)__builtin_return_address(0)); - trace_softirq_enter(); + lockdep_softirq_enter(); cpu = smp_processor_id(); restart: @@ -231,7 +231,7 @@ restart: if (pending) wakeup_softirqd(); - trace_softirq_exit(); + lockdep_softirq_exit(); account_system_vtime(current); _local_bh_enable(); diff --git a/kernel/user.c b/kernel/user.c index 6a9b696128c8..fbb300e6191f 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -286,14 +286,12 @@ int __init uids_sysfs_init(void) /* work function to remove sysfs directory for a user and free up * corresponding structures. */ -static void remove_user_sysfs_dir(struct work_struct *w) +static void cleanup_user_struct(struct work_struct *w) { struct user_struct *up = container_of(w, struct user_struct, work); unsigned long flags; int remove_user = 0; - if (up->user_ns != &init_user_ns) - return; /* Make uid_hash_remove() + sysfs_remove_file() + kobject_del() * atomic. */ @@ -312,9 +310,11 @@ static void remove_user_sysfs_dir(struct work_struct *w) if (!remove_user) goto done; - kobject_uevent(&up->kobj, KOBJ_REMOVE); - kobject_del(&up->kobj); - kobject_put(&up->kobj); + if (up->user_ns == &init_user_ns) { + kobject_uevent(&up->kobj, KOBJ_REMOVE); + kobject_del(&up->kobj); + kobject_put(&up->kobj); + } sched_destroy_user(up); key_put(up->uid_keyring); @@ -335,7 +335,7 @@ static void free_user(struct user_struct *up, unsigned long flags) atomic_inc(&up->__count); spin_unlock_irqrestore(&uidhash_lock, flags); - INIT_WORK(&up->work, remove_user_sysfs_dir); + INIT_WORK(&up->work, cleanup_user_struct); schedule_work(&up->work); } |