From: Gavin Shan <gwshan@linux.vnet.ibm.com>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: qemu-devel@nongnu.org, Gavin Shan <gwshan@linux.vnet.ibm.com>,
agraf@suse.de, alex.williamson@redhat.com, qemu-ppc@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] sPAPR: Reenable EEH functionality on reboot
Date: Mon, 30 Mar 2015 20:35:15 +1100 [thread overview]
Message-ID: <20150330093514.GC4716@shangw> (raw)
In-Reply-To: <20150330024004.GF9908@voom.fritz.box>
On Mon, Mar 30, 2015 at 01:40:04PM +1100, David Gibson wrote:
>On Thu, Mar 26, 2015 at 04:35:02PM +1100, Gavin Shan wrote:
>> When rebooting the guest, some PEs might be in frozen state. The
>> contained PCI devices won't work properly if their frozen states
>> aren't cleared in time. One case running into this situation would
>> be maximal EEH error times encountered in the guest.
>>
>> The patch reenables the EEH functinality on PEs on PHB's reset
>> callback, which will clear their frozen states if needed.
>>
>> Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
>
>Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
>
Thanks for your review, David.
>--
>David Gibson | I'll have my music baroque, and my code
>david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
> | _way_ _around_!
>http://www.ozlabs.org/~dgibson
prev parent reply other threads:[~2015-03-30 9:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-26 5:35 [Qemu-devel] [PATCH v3 0/2] Bug fixes for EEH on VFIO PCI devices Gavin Shan
2015-03-26 5:35 ` [Qemu-devel] [PATCH v3 1/2] VFIO: Clear stale MSIx table during EEH reset Gavin Shan
2015-03-27 6:00 ` David Gibson
2015-03-30 9:32 ` Gavin Shan
2015-03-30 2:39 ` David Gibson
2015-03-30 9:34 ` Gavin Shan
2015-03-31 19:36 ` Alex Williamson
2015-04-01 0:20 ` Gavin Shan
2015-04-01 1:16 ` Alex Williamson
2015-04-01 3:05 ` Gavin Shan
2015-03-26 5:35 ` [Qemu-devel] [PATCH 2/2] sPAPR: Reenable EEH functionality on reboot Gavin Shan
2015-03-27 6:01 ` David Gibson
2015-03-30 2:40 ` David Gibson
2015-03-30 9:35 ` Gavin Shan [this message]
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