Re: [PATCH] dma-buf: fix debugfs versus rcu and fence dumping v2

From: Koenig, Christian
Date: Thu Dec 06 2018 - 13:30:12 EST


Am 06.12.18 um 17:58 schrieb Chris Wilson:
> Quoting jglisse@xxxxxxxxxx (2018-12-06 15:47:04)
>> From: JÃrÃme Glisse <jglisse@xxxxxxxxxx>
>>
>> The debugfs take reference on fence without dropping them. Also the
>> rcu section are not well balance. Fix all that ...
> Wouldn't the code be a lot simpler (and a consistent snapshot) if it used
> reservation_object_get_fences_rcu()?

Yeah, thought about that as well.

Or even better move that code into reservation_object.c as
reservation_object_show_fences() or something like that.

Christian.

> -Chris