Re: [PATCH 4/5] freezer: clear fake signal on exit from__refrigerator

From: Oleg Nesterov
Date: Sat Feb 16 2013 - 12:13:51 EST


Forgot to mention...

On 02/16, Oleg Nesterov wrote:
> On 02/16, Mandeep Singh Baines wrote:
> >
> > --- a/kernel/freezer.c
> > +++ b/kernel/freezer.c
> > @@ -81,6 +81,9 @@ bool __refrigerator(bool check_kthr_stop)
> > */
> > set_current_state(save);
> >
> > + /* Clear fake signal from freeze_task(). */
> > + recalc_sigpending();
>
> NACK. We can't do this lockless.
>
> And I am not sure we should reinstantiate it here.

And note that with the fix I propose in reply to 5/5 this change is
not needed.

Oleg.

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