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SubjectRe: [PATCH] fbcon: fix locking harder
On Thu, Jan 24, 2013 at 8:43 PM, Dave Airlie <> wrote:
> Okay so Alan's patch handled the case where there was no registered fbcon,
> however the other path entered in set_con2fb_map pit.
> In there we called fbcon_takeover, but we also took the console lock in a couple
> of places. So push the console lock out to the callers of set_con2fb_map,
> this means fbmem and switcheroo needed to take the lock around the fb notifier
> entry points that lead to this.
> This should fix the efifb regression seen by Maarten.
> Signed-off-by: Dave Airlie <>

Linus might not be taking this for 3.8 because of lack of testing, but
that doesn't mean the problems don't exist in 3.8 (and older). Maybe
throw a CC for stable on the patch? That way it works its way back when
it does get merged.


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