linux-kernel - Re: [PATCH v2] exec: make de

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Message-ID: <2198026.vTmrAJsSTa@aspire.rjw.lan>
Date:   Thu, 22 Nov 2018 00:35:25 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Oleg Nesterov <oleg@...hat.com>, Chanho Min <chanho.min@....com>
Cc:     Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Christian Brauner <christian@...uner.io>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        Seungho Park <seungho1.park@....com>,
        Inkyu Hwang <inkyu.hwang@....com>,
        Donghwan Jung <donghwan.jung@....com>,
        Jongsung Kim <neidhard.kim@....com>
Subject: Re: [PATCH v2] exec: make de_thread() freezable

On Monday, November 12, 2018 9:15:18 AM CET Oleg Nesterov wrote:
> On 11/12, Chanho Min wrote:
> >
> > @@ -1083,7 +1084,7 @@ static int de_thread(struct task_struct *tsk)
> >  	while (sig->notify_count) {
> >  		__set_current_state(TASK_KILLABLE);
> >  		spin_unlock_irq(lock);
> > -		schedule();
> > +		freezable_schedule();
> >  		if (unlikely(__fatal_signal_pending(tsk)))
> >  			goto killed;
> >  		spin_lock_irq(lock);
> > @@ -1111,7 +1112,7 @@ static int de_thread(struct task_struct *tsk)
> >  			__set_current_state(TASK_KILLABLE);
> >  			write_unlock_irq(&tasklist_lock);
> >  			cgroup_threadgroup_change_end(tsk);
> > -			schedule();
> > +			freezable_schedule();
> >  			if (unlikely(__fatal_signal_pending(tsk)))
> >  				goto killed;
> >  		}
> 
> Thanks, looks good to me.
> 
> Acked-by: Oleg Nesterov <oleg@...hat.com>

Patch applied, thanks!