# Re: \[ewg\] \[PATCH\] IB/ehca: Protect QP against destroying until all async events for it are handled.

- From: Stefan Roscher \<hidden\>
- Date: 2008-05-07 16:00:54 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2008/05/1097220
- Thread: https://ratatoskr.run/lkml/2008/05/1097210/t.md

```text
On Wednesday 07 May 2008 17:32:03 Roland Dreier wrote:
>  > We are not sure if this should be fixed in the driver or in uverbs itself.
>  > Roland, what's your opinion about this?
> 
> Would be nice to be able to fix it in uverbs but I don't see how.  In
> particular a kernel consumer has to have the same guarantee that no
> async events will come in after destroy QP returns.  And I don't see any
> way generic code can provide a guarantee about what low-level driver
> code may do internally.
> 

I agree, that's why I posted the driver fix first.
So, will you apply it next?

Regards Stefan
```