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SubjectRe: [GIT pull] timer updates for 3.4-rc
On Fri, 6 Apr 2012, David Rientjes wrote:

> On Sat, 7 Apr 2012, Thomas Gleixner wrote:
>
> > diff --git a/kernel/itimer.c b/kernel/itimer.c
> > index 22000c3..c70369a 100644
> > --- a/kernel/itimer.c
> > +++ b/kernel/itimer.c
> > @@ -284,8 +284,11 @@ SYSCALL_DEFINE3(setitimer, int, which, struct itimerval __user *, value,
> > if (value) {
> > if(copy_from_user(&set_buffer, value, sizeof(set_buffer)))
> > return -EFAULT;
> > - } else
> > + } else {
> > memset((char *) &set_buffer, 0, sizeof(set_buffer));
> > + WARN_ONCE(1, "setitimer: new_value pointer is NULL."
> > + " Misfeature support will be removed\n");
> > + }
> >
> > error = do_setitimer(which, &set_buffer, ovalue ? &get_buffer : NULL);
> > if (error || !ovalue)
>
> When I tried doing this for the deprecated /proc/pid/oom_adj there was a
> complaint that WARN_ONCE() screws up log parsing scripts that think there
> is a kernel issue so I had to change it to printk_once() and include
> get_task_comm(current) and current->pid. See
> http://lkml.indiana.edu/hypermail/linux/kernel/1108.0/00446.html

Bah.



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