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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 19:04:15 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-02-26 19:06:24 +0000
commita7790532f5b7358c33a6b1834dc2b318de209f31 (patch)
tree0ceb9e24b3f54cb5c8453fb5a218e2a94a0f1cce /kernel/fork.c
parent2764fb4244cc1bc08df3667924ca4a972e90ac70 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
The SmartMedia FTL code depends on new kfifo bits from 2.6.33
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 202a0ba63d3..f88bd984df3 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1241,21 +1241,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
/* Need tasklist lock for parent etc handling! */
write_lock_irq(&tasklist_lock);
- /*
- * The task hasn't been attached yet, so its cpus_allowed mask will
- * not be changed, nor will its assigned CPU.
- *
- * The cpus_allowed mask of the parent may have changed after it was
- * copied first time - so re-copy it here, then check the child's CPU
- * to ensure it is on a valid CPU (and if not, just force it back to
- * parent's CPU). This avoids alot of nasty races.
- */
- p->cpus_allowed = current->cpus_allowed;
- p->rt.nr_cpus_allowed = current->rt.nr_cpus_allowed;
- if (unlikely(!cpu_isset(task_cpu(p), p->cpus_allowed) ||
- !cpu_online(task_cpu(p))))
- set_task_cpu(p, smp_processor_id());
-
/* CLONE_PARENT re-uses the old parent */
if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) {
p->real_parent = current->real_parent;
@@ -1291,7 +1276,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
}
if (likely(p->pid)) {
- list_add_tail(&p->sibling, &p->real_parent->children);
tracehook_finish_clone(p, clone_flags, trace);
if (thread_group_leader(p)) {
@@ -1303,6 +1287,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
p->signal->tty = tty_kref_get(current->signal->tty);
attach_pid(p, PIDTYPE_PGID, task_pgrp(current));
attach_pid(p, PIDTYPE_SID, task_session(current));
+ list_add_tail(&p->sibling, &p->real_parent->children);
list_add_tail_rcu(&p->tasks, &init_task.tasks);
__get_cpu_var(process_counts)++;
}