[PATCH V9 11/11] powerpc/powernv: compound PE for VFs

Richard Yang weiyang at linux.vnet.ibm.com
Wed Sep 9 15:53:29 AEST 2015

On Wed, Sep 09, 2015 at 02:59:11PM +1000, Benjamin Herrenschmidt wrote:
>On Wed, 2015-09-09 at 11:36 +0800, Richard Yang wrote:
>> The VF EEH is hung since we re-designed the SRIOV. After the re
>> -design, we
>> don't have VF groups.
>> My plan is to push the VF EEH patch set after the SRIOV Redesign is
>> accepted.
>What do you mean taht we don't have VF groups ?

Before we redesign the SRIOV, several VFs may share one M64 segment. This
introduced the compound PE for VFs. The VF group in previous mail means the
compound PE composed of a master VF PE will have several slave VF PEs.

>If we don't have IOMMU groups per VF that means we can't assign them to
>KVM partitions -> they are completely useless.

Yes, I don't mean for the IOMMU group.


Richard Yang
Help you, Help me

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