Re: Linus, please revert 7dc8f11437: regression in 5.7-rc0, hangs while attempting to run X

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Hi!

> > > 7dc8f1143778a35b190f9413f228b3cf28f67f8d
> > > 
> > >     drm/i915/gem: Drop relocation slowpath
> > >     
> > >     Since the relocations are no longer performed under a global
> > >     struct_mutex, or any other lock, that is also held by pagefault handlers,
> > >     we can relax and allow our fast path to take a fault. As we no longer
> > >     need to abort the fast path for lock avoidance, we no longer need the
> > >     slow path handling at all.
> > > 
> > > causes regression on thinkpad x220: instead of starting X, I'm looking
> > > at blinking cursor.
> > > 
> > > Reverting the patch on too of 919dce24701f7b3 fixes things for me.
> > 
> > I have received no feedback from patch authors, and I believe we don't
> > want to break boot in -rc1 on Intel hardware... so the commit should
> > be simply reverted.
> 
> Beyond the fix already submitted?

I did not get that one, can I have a pointer?

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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