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Pidns: make full use of xxx_vnr() calls

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Some time ago the xxx_vnr() calls (e.g.  pid_vnr or find_task_by_vpid) were
_all_ converted to operate on the current pid namespace.  After this each call
like xxx_nr_ns(foo, current->nsproxy->pid_ns) is nothing but a xxx_vnr(foo)
one.

Switch all the xxx_nr_ns() callers to use the xxx_vnr() calls where
appropriate.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Reviewed-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Emelyanov 2008-02-08 04:19:20 -08:00 • committed by Linus Torvalds
parent fea9d17554
commit 6c5f3e7b43
8 changed files with 12 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

6
kernel/exit.c
View file

@ -1174,7 +1174,7 @@ static int wait_task_zombie(struct task_struct *p, int noreap,
{
unsigned long state;
int retval, status, traced;
pid_t pid = task_pid_nr_ns(p, current->nsproxy->pid_ns);
pid_t pid = task_pid_vnr(p);
if (unlikely(noreap)) {
uid_t uid = p->uid;
@ -1369,7 +1369,7 @@ unlock_sig:
* possibly take page faults for user memory.
*/
get_task_struct(p);
pid = task_pid_nr_ns(p, current->nsproxy->pid_ns);
pid = task_pid_vnr(p);
why = (p->ptrace & PT_PTRACED) ? CLD_TRAPPED : CLD_STOPPED;
read_unlock(&tasklist_lock);
@ -1428,7 +1428,7 @@ static int wait_task_continued(struct task_struct *p, int noreap,
p->signal->flags &= ~SIGNAL_STOP_CONTINUED;
spin_unlock_irq(&p->sighand->siglock);
pid = task_pid_nr_ns(p, current->nsproxy->pid_ns);
pid = task_pid_vnr(p);
uid = p->uid;
get_task_struct(p);
read_unlock(&tasklist_lock);