From: Stefan Roscher <ossrosch@linux.vnet.ibm.com>
To: Roland Dreier <rdreier@cisco.com>
Cc: LinuxPPC-Dev <linuxppc-dev@ozlabs.org>,
fenkes@de.ibm.com, LKML <linux-kernel@vger.kernel.org>,
raisch@de.ibm.com, OF-EWG <ewg@lists.openfabrics.org>
Subject: Re: [ewg] [PATCH] IB/ehca: Protect QP against destroying until all async events for it are handled.
Date: Wed, 7 May 2008 18:00:14 +0200 [thread overview]
Message-ID: <200805071800.15595.ossrosch@linux.vnet.ibm.com> (raw)
In-Reply-To: <adahcdaw2oc.fsf@cisco.com>
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
next prev parent reply other threads:[~2008-05-07 16:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-07 11:19 [PATCH] IB/ehca: Protect QP against destroying until all async events for it are handled Stefan Roscher
2008-05-07 15:32 ` [ewg] " Roland Dreier
2008-05-07 16:00 ` Stefan Roscher [this message]
2008-05-07 18:02 ` Roland Dreier
2008-05-07 19:18 ` Roland Dreier
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