Re: initcall ffh_cstate_init+0x0/0x2a returned with error code -1throws WARN

From: Steven Rostedt
Date: Wed May 01 2013 - 11:02:01 EST


On Wed, 2013-05-01 at 10:58 -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, May 01, 2013 at 10:09:41AM -0400, Steven Rostedt wrote:
> > On Wed, 2013-05-01 at 09:48 -0400, Konrad Rzeszutek Wilk wrote:
> > > Now with the git commit f91eb62f71b31e69e405663ff8d047bc3b9f7525
> > > (init: scream bloody murder if interrupts are enabled too early)
> >
> > Perhaps I got a little too aggressive with that patch. The warnings look
> > to be caused by:
> >
> > @@ -702,9 +697,7 @@ int __init_or_module do_one_initcall(initcall_t fn)
> > strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
> > local_irq_enable();
> > }
> > - if (msgbuf[0]) {
> > - printk("initcall %pF returned with %s\n", fn, msgbuf);
> > - }
> > + WARN(msgbuf[0], "initcall %pF returned with %s\n", fn, msgbuf);
> >
> > return ret;
> > }
> >
> > I'll just revert that part of the patch, and send that in.
>
> Thank you!

No prob, actually, I'm changing it to be specific. That is, it will
still warn if there's an imbalance of preempt_disable or irqs_disable,
but it won't warn on initcall returning non-zero.

-- Steve


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