[NETFILTER]: nf_conntrack_h323: add missing T.120 address in OLCA
[powerpc.git] / kernel / fork.c
index 6031800..73ad5cd 100644 (file)
@@ -45,6 +45,7 @@
 #include <linux/acct.h>
 #include <linux/tsacct_kern.h>
 #include <linux/cn_proc.h>
+#include <linux/freezer.h>
 #include <linux/delayacct.h>
 #include <linux/taskstats_kern.h>
 #include <linux/random.h>
@@ -956,7 +957,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
                                        unsigned long stack_size,
                                        int __user *parent_tidptr,
                                        int __user *child_tidptr,
-                                       int pid)
+                                       struct pid *pid)
 {
        int retval;
        struct task_struct *p = NULL;
@@ -1023,7 +1024,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
        p->did_exec = 0;
        delayacct_tsk_init(p);  /* Must remain after dup_task_struct() */
        copy_flags(clone_flags, p);
-       p->pid = pid;
+       p->pid = pid_nr(pid);
        retval = -EFAULT;
        if (clone_flags & CLONE_PARENT_SETTID)
                if (put_user(p->pid, parent_tidptr))
@@ -1249,19 +1250,16 @@ static struct task_struct *copy_process(unsigned long clone_flags,
                        __ptrace_link(p, current->parent);
 
                if (thread_group_leader(p)) {
-                       pid_t pgid = process_group(current);
-                       pid_t sid = process_session(current);
-
                        p->signal->tty = current->signal->tty;
-                       p->signal->pgrp = pgid;
+                       p->signal->pgrp = process_group(current);
                        set_signal_session(p->signal, process_session(current));
-                       attach_pid(p, PIDTYPE_PGID, find_pid(pgid));
-                       attach_pid(p, PIDTYPE_SID, find_pid(sid));
+                       attach_pid(p, PIDTYPE_PGID, task_pgrp(current));
+                       attach_pid(p, PIDTYPE_SID, task_session(current));
 
                        list_add_tail_rcu(&p->tasks, &init_task.tasks);
                        __get_cpu_var(process_counts)++;
                }
-               attach_pid(p, PIDTYPE_PID, find_pid(p->pid));
+               attach_pid(p, PIDTYPE_PID, pid);
                nr_threads++;
        }
 
@@ -1325,7 +1323,8 @@ struct task_struct * __cpuinit fork_idle(int cpu)
        struct task_struct *task;
        struct pt_regs regs;
 
-       task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL, 0);
+       task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL,
+                               &init_struct_pid);
        if (!IS_ERR(task))
                init_idle(task, cpu);
 
@@ -1375,7 +1374,7 @@ long do_fork(unsigned long clone_flags,
                        clone_flags |= CLONE_PTRACE;
        }
 
-       p = copy_process(clone_flags, stack_start, regs, stack_size, parent_tidptr, child_tidptr, nr);
+       p = copy_process(clone_flags, stack_start, regs, stack_size, parent_tidptr, child_tidptr, pid);
        /*
         * Do this prior waking up the new thread - the thread pointer
         * might get invalid after that point, if the thread exits quickly.
@@ -1407,7 +1406,9 @@ long do_fork(unsigned long clone_flags,
                }
 
                if (clone_flags & CLONE_VFORK) {
+                       freezer_do_not_count();
                        wait_for_completion(&vfork);
+                       freezer_count();
                        if (unlikely (current->ptrace & PT_TRACE_VFORK_DONE)) {
                                current->ptrace_message = nr;
                                ptrace_notify ((PTRACE_EVENT_VFORK_DONE << 8) | SIGTRAP);
@@ -1424,12 +1425,13 @@ long do_fork(unsigned long clone_flags,
 #define ARCH_MIN_MMSTRUCT_ALIGN 0
 #endif
 
-static void sighand_ctor(void *data, struct kmem_cache *cachep, unsigned long flags)
+static void sighand_ctor(void *data, struct kmem_cache *cachep,
+                       unsigned long flags)
 {
        struct sighand_struct *sighand = data;
 
-       if (flags & SLAB_CTOR_CONSTRUCTOR)
-               spin_lock_init(&sighand->siglock);
+       spin_lock_init(&sighand->siglock);
+       INIT_LIST_HEAD(&sighand->signalfd_list);
 }
 
 void __init proc_caches_init(void)
@@ -1455,7 +1457,6 @@ void __init proc_caches_init(void)
                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
 }
 
-
 /*
  * Check constraints on flags passed to the unshare system call and
  * force unsharing of additional process context as appropriate.