diff options
| author | Robert Richter <robert.richter@amd.com> | 2010-10-25 16:28:14 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2010-10-25 16:29:12 +0200 |
| commit | dbd1e66e04558a582e673bc4a9cd933ce0228d93 (patch) | |
| tree | 85f3633276282cde0a3ac558d988704eaa3e68af /kernel/pid.c | |
| parent | 328b8f1ba50b708a1b3c0acd7c41ee1b356822f6 (diff) | |
| parent | 4a60cfa9457749f7987fd4f3c956dbba5a281129 (diff) | |
Merge commit 'linux-2.6/master' (early part) into oprofile/core
This branch depends on these apic patches:
apic, x86: Use BIOS settings for IBS and MCE threshold interrupt LVT offsets
apic, x86: Check if EILVT APIC registers are available (AMD only)
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index d55c6fb8d08..39b65b69584 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -401,7 +401,7 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type) struct task_struct *result = NULL; if (pid) { struct hlist_node *first; - first = rcu_dereference_check(pid->tasks[type].first, + first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]), rcu_read_lock_held() || lockdep_tasklist_lock_is_held()); if (first) @@ -416,6 +416,7 @@ EXPORT_SYMBOL(pid_task); */ struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns) { + rcu_lockdep_assert(rcu_read_lock_held()); return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); } |