Re: [PATCH] drm: fix call_kern.cocci warnings (fwd)

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Am 25.10.18 um 09:51 schrieb Maarten Lankhorst:
> Op 25-10-18 om 08:53 schreef Christian König:
>> Am 25.10.18 um 03:28 schrieb Zhou, David(ChunMing):
>>> Reviewed-by: Chunming Zhou <david1.zhou@xxxxxxx>
>> NAK, GFP_ATOMIC should be avoided.
>>
>> The correct solution is to move the allocation out of the spinlock or drop the lock and reacquire.
> Yeah +1. Especially in a case like this where it's obvious to prevent. :)

Another possibility would to not allocate the dummy fence at all.

E.g. we just need a global instance of that which is always signaled and 
has a reference count of +1.

Christian.
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