Lockdep spalt on killing a processes
Christian König
ckoenig.leichtzumerken at gmail.com
Wed Oct 27 14:34:59 UTC 2021
Am 27.10.21 um 16:27 schrieb Andrey Grodzovsky:
> [SNIP]
>>
>>> Let me please know if I am still missing some point of yours.
>>
>> Well, I mean we need to be able to handle this for all drivers.
>
>
> For sure, but as i said above in my opinion we need to change only for
> those drivers that don't use the _locked version.
And that absolutely won't work.
See the dma_fence is a contract between drivers, so you need the same
calling convention between all drivers.
Either we always call the callback with the lock held or we always call
it without the lock, but sometimes like that and sometimes otherwise
won't work.
Christian.
>
> Andrey
More information about the amd-gfx
mailing list