[Intel-gfx] [PATCH v2] drm/i915: make context status notifier head be per engine

[Du, Changbin]

> > > Since intel_gvt_init() is called at early initialization stage and
> > > require the status notifier head has been initiated, I initiate it in
> > > intel_engine_setup().
> > > 
> > > v2: remove a redundant newline. (chris)
> > > 
> > > Signed-off-by: Changbin Du <changbin.du at intel.com>
> > > Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> > 
> > Applied to gvt-next, thanks!
> 
> It turns out this fixes a use-after-free bug that CI was falling over.
> Applied to dinq.
> 
wow, that's out of my expectation. lucky!

> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100232
> -Chris
> 
> -- 
> Chris Wilson, Intel Open Source Technology Centre
> _______________________________________________
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-- 
Thanks,
Changbin Du
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