Re: [PATCH] qxl: fix framebuffer unpinning

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On Fri, 2017-09-22 at 02:03 -0300, Gabriel Krisman Bertazi wrote:
> Gerd Hoffmann <kraxel@xxxxxxxxxx> writes:
> 
> >   Hi,
> > 
> > > > "removing the device"?  qxl can't be hotplugged ...
> > > > Or do you mean "rmmod qxl"?
> > > 
> > > rmmod qxl
> > 
> > rmmod: ERROR: Module qxl is in use.
> > 
> > How do you do that?  CONFIG_FBCON=n?
> 
> I can simply disable X, lightdm or whatever is using it and then
> rmmod.

Works for me only with CONFIG_FBCON=n, otherwise the fbcon framebuffer
keeps qxl busy.  So is most cases (typical distro kernel build with
FBCON=y) you simply can't rmmod qxl.

I agree that "rmmod qxl" should be fixed, but IMHO this is independent
from this bugfix, and I'd like to get it out of the door ASAP.  Can I
get your reviewed-by?

cheers,
  Gerd

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