From: Stefan Roscher <ossrosch@linux.vnet.ibm.com>
To: Roland Dreier <rdreier@cisco.com>
Cc: TKLEIN@de.ibm.com, THEMANN@de.ibm.com, fenkes@de.ibm.com,
LKML <linux-kernel@vger.kernel.org>,
OF-EWG <ewg@lists.openfabrics.org>,
LinuxPPC-Dev <linuxppc-dev@ozlabs.org>,
raisch@de.ibm.com, Paul Mackerras <paulus@samba.org>,
general@lists.openfabrics.org
Subject: Re: [PATCH REPOST] IB/ehca: In case of lost interrupts, trigger EOI to reenable interrupts
Date: Tue, 10 Jun 2008 17:01:45 +0200 [thread overview]
Message-ID: <200806101701.47090.ossrosch@linux.vnet.ibm.com> (raw)
In-Reply-To: <adatzg15ol2.fsf@cisco.com>
On Tuesday 10 June 2008 16:52:57 Roland Dreier wrote:
> > During corner case testing, we noticed that some versions of ehca
> > do not properly transition to interrupt done in special load situations.
> > This can be resolved by periodically triggering EOI through H_EOI,
> > if eqes are pending.
>
> So just to be clear: this is a workaround for a hardware/firmware bug?
>
> - R.
>
Yes it is.
regards Stefan
next prev parent reply other threads:[~2008-06-10 15:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-10 14:44 [PATCH REPOST] IB/ehca: In case of lost interrupts, trigger EOI to reenable interrupts Stefan Roscher
2008-06-10 14:52 ` Roland Dreier
2008-06-10 15:01 ` Stefan Roscher [this message]
2008-06-10 16:18 ` Roland Dreier
2008-06-12 8:37 ` Paul Mackerras
2008-06-13 14:39 ` Stefan Roscher
2008-06-12 7:23 ` Benjamin Herrenschmidt
2008-06-12 9:39 ` Paul Mackerras
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