lkml.org 
[lkml]   [2020]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Linus, please revert 7dc8f11437: regression in 5.7-rc0, hangs while attempting to run X
Date
Quoting Pavel Machek (2020-04-07 08:20:47)
>
> On Fri 2020-04-03 15:00:31, Pavel Machek wrote:
> > 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?
-Chris

\
 
 \ /
  Last update: 2020-04-07 09:27    [W:0.048 / U:7.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site