Hi!

> > On 12/04, Ingo Molnar wrote:
> > >
> > > * Oleg Nesterov <o...@redhat.com> wrote:
> > >
> > > > we really need to narrow the (huge) scope of ->cred_guard_mutex in exec
> > paths.
> > > >
> > > > my attempt to fix this was nacked, and nobody suggested a better 
> > > > solution
> > so far.
> > >
> > > Any link to your patch and the NAK?
> > 
> > See https://lore.kernel.org/lkml/20170213141452.ga30...@redhat.com/
> > 
> > No questions, the patch wasn't pretty. And imo we need to rework the 
> > security
> > hooks in the long term.
> > 
> > Oleg.
> 
> I am sorry for the reverting this patch. It's also my fault that
> I didn't check lockdep. But, We decided to keep this patch in our product.
> Freeze fail is a real problem we've had for the last two years,
> whereas lockdep's notice is not a real problem.
> We hope this issue will be resolved soon.

I guess it makes sense for your usage.

How often do you see the failures without the patch?
                                                                        Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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