Re: drm-next + i915 CVE yolo merge

[Jani Nikula <jani.nikula@linux.intel.com>]

On Fri, 15 Nov 2019, Joonas Lahtinen <joonas.lahtinen@linux.intel.com> wrote:
> Quoting Dave Airlie (2019-11-14 03:33:24)
>> The landing of the i915 CVE fixes into Linus tree has created a bit of
>> a mess in linux-next and downstream in drm-next trees.
>> 
>> I talked to Daniel and he had talked to Joonas a bit, and I decided to
>> go with what Daniel describes as the YOLO merge, where I just solve it
>> and pray, and everyone else verifies/fixes it.
>> 
>> In my favour I've been reading these patches for a couple of months
>> now and applied them to a lot of places, so I'm quite familiar with
>> what they are doing.
>> 
>> The worst culprit was the RC6 ctx corruption fix since the whole of
>> rc6 got refactored in next. However I also had access to a version of
>> this patch Jon wrote on drm-tip a couple of weeks ago.
>
> We've now tested drm-next and found it working fine. As a next step Jani
> will be backmerge to drm-intel-next-queued.

Done and pushed out.

Thanks,
Jani.


>
> Regards, Joonas
>
>> I took that patch, applied it and fixed it up on top of drm-next. Then
>> I backmerged the commit that also went into Linus' tree. Then I
>> removed any evidence of the RC6 patch from Linus' tree and left the
>> newer version pieces in place. The other stuff mostly merged fine and
>> the results looked fine, but I'd definitely think everyone at Intel
>> should be staring at it, and my dinq tip resolutions ASAP and
>> hopefully it goes into CI and comes out smelling of something good.
>> 
>> Let me know if it's all horrible asap,
>> Thanks,
>> Dave.

-- 
Jani Nikula, Intel Open Source Graphics Center
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