From: Richard Yang <weiyang@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@au1.ibm.com>
Cc: Richard Yang <weiyang@linux.vnet.ibm.com>,
Gavin Shan <gwshan@linux.vnet.ibm.com>,
aik@ozlabs.ru, linux-pci@vger.kernel.org, bhelgaas@google.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V9 11/11] powerpc/powernv: compound PE for VFs
Date: Wed, 9 Sep 2015 13:53:29 +0800 [thread overview]
Message-ID: <20150909055329.GA7684@Richards-MacBook-Pro.local> (raw)
In-Reply-To: <1441774751.2767.20.camel@au1.ibm.com>
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.
>
>Ben.
--
Richard Yang
Help you, Help me
next prev parent reply other threads:[~2015-09-09 5:53 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-17 6:02 [PATCH V9 00/11] VF EEH on Power8 Wei Yang
2015-07-17 6:02 ` [PATCH V9 01/11] PCI/IOV: Rename and export virtfn_add/virtfn_remove Wei Yang
2015-07-17 6:02 ` [PATCH V9 02/11] PCI: Add pcibios_bus_add_device() weak function Wei Yang
2015-07-17 6:02 ` [PATCH V9 03/11] powerpc/pci: Cache VF index in pci_dn Wei Yang
2015-07-17 6:02 ` [PATCH V9 04/11] powerpc/pci: Remove VFs prior to PF Wei Yang
2015-07-17 6:02 ` [PATCH V9 05/11] powerpc/eeh: Cache only BARs, not windows or IOV BARs Wei Yang
2015-07-17 6:02 ` [PATCH V9 06/11] powerpc/powernv: EEH device for VF Wei Yang
2015-07-17 6:02 ` [PATCH V9 07/11] powerpc/eeh: Create PE for VFs Wei Yang
2015-07-17 6:02 ` [PATCH V9 08/11] powerpc/powernv: Support EEH reset for VF PE Wei Yang
2015-07-17 6:02 ` [PATCH V9 09/11] powerpc/powernv: Support PCI config restore for VFs Wei Yang
2015-07-17 6:02 ` [PATCH V9 10/11] powerpc/eeh: Support error recovery for VF PE Wei Yang
2015-07-17 6:02 ` [PATCH V9 11/11] powerpc/powernv: compound PE for VFs Wei Yang
2015-07-29 3:17 ` Wei Yang
2015-09-09 2:48 ` Gavin Shan
2015-09-09 3:36 ` Richard Yang
2015-09-09 3:52 ` Gavin Shan
2015-09-09 6:00 ` Richard Yang
2015-09-09 4:59 ` Benjamin Herrenschmidt
2015-09-09 5:53 ` Richard Yang [this message]
2015-09-09 5:22 ` Alexey Kardashevskiy
2015-09-09 6:01 ` Richard Yang
2015-09-17 0:28 ` Gavin Shan
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