From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Gavin Shan <gwshan@linux.vnet.ibm.com>,
kvm-ppc@vger.kernel.org, Alexander Graf <agraf@suse.de>,
Alex Williamson <alex.williamson@redhat.com>,
qiudayu@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v7 3/3] drivers/vfio: EEH support for VFIO PCI device
Date: Fri, 30 May 2014 03:49:23 +0000 [thread overview]
Message-ID: <1401421763.14938.23.camel@pasglop> (raw)
In-Reply-To: <5387FE84.5060502@ozlabs.ru>
On Fri, 2014-05-30 at 13:44 +1000, Alexey Kardashevskiy wrote:
>
> It is pseries, not real HW. Does phyp allow multiple real host PEs on
> the same virtual PHB?
I don't know how recent pHyp versions do it. I think they pretty much
have a PE = 1 virtual PHB so you might be right there.
On older HW they definitely used P2P bridges as PEs.
Cheers,
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Gavin Shan <gwshan@linux.vnet.ibm.com>,
kvm-ppc@vger.kernel.org, Alexander Graf <agraf@suse.de>,
Alex Williamson <alex.williamson@redhat.com>,
qiudayu@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v7 3/3] drivers/vfio: EEH support for VFIO PCI device
Date: Fri, 30 May 2014 13:49:23 +1000 [thread overview]
Message-ID: <1401421763.14938.23.camel@pasglop> (raw)
In-Reply-To: <5387FE84.5060502@ozlabs.ru>
On Fri, 2014-05-30 at 13:44 +1000, Alexey Kardashevskiy wrote:
>
> It is pseries, not real HW. Does phyp allow multiple real host PEs on
> the same virtual PHB?
I don't know how recent pHyp versions do it. I think they pretty much
have a PE == 1 virtual PHB so you might be right there.
On older HW they definitely used P2P bridges as PEs.
Cheers,
Ben.
next prev parent reply other threads:[~2014-05-30 3:49 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-27 8:40 [PATCH v7 0/3] EEH Support for VFIO PCI Device Gavin Shan
2014-05-27 8:40 ` Gavin Shan
2014-05-27 8:40 ` [PATCH v7 1/3] powerpc/eeh: Avoid event on passed PE Gavin Shan
2014-05-27 8:40 ` Gavin Shan
2014-05-27 8:40 ` [PATCH v7 2/3] powerpc/eeh: EEH support for VFIO PCI device Gavin Shan
2014-05-27 8:40 ` Gavin Shan
2014-05-27 8:40 ` [PATCH v7 3/3] drivers/vfio: " Gavin Shan
2014-05-27 8:40 ` Gavin Shan
2014-05-27 18:15 ` Alex Williamson
2014-05-27 18:15 ` Alex Williamson
2014-05-27 20:30 ` Benjamin Herrenschmidt
2014-05-27 20:30 ` Benjamin Herrenschmidt
2014-05-27 20:37 ` Alex Williamson
2014-05-27 20:37 ` Alex Williamson
2014-05-27 20:41 ` Benjamin Herrenschmidt
2014-05-27 20:41 ` Benjamin Herrenschmidt
2014-05-27 22:49 ` Alexander Graf
2014-05-27 22:49 ` Alexander Graf
2014-05-28 0:39 ` Alex Williamson
2014-05-28 0:39 ` Alex Williamson
2014-05-28 0:44 ` Alexander Graf
2014-05-28 0:44 ` Alexander Graf
2014-05-28 0:57 ` Alex Williamson
2014-05-28 0:57 ` Alex Williamson
2014-05-28 11:37 ` Alexander Graf
2014-05-28 11:37 ` Alexander Graf
2014-05-28 16:17 ` Alex Williamson
2014-05-28 16:17 ` Alex Williamson
2014-05-28 22:40 ` Alexander Graf
2014-05-28 22:40 ` Alexander Graf
2014-05-28 23:37 ` Gavin Shan
2014-05-28 23:37 ` Gavin Shan
2014-05-28 23:38 ` Alexander Graf
2014-05-28 23:38 ` Alexander Graf
2014-05-28 23:41 ` Gavin Shan
2014-05-28 23:41 ` Gavin Shan
2014-05-28 0:55 ` Gavin Shan
2014-05-28 0:55 ` Gavin Shan
2014-05-28 11:41 ` Alexander Graf
2014-05-28 11:41 ` Alexander Graf
2014-05-28 12:49 ` Gavin Shan
2014-05-28 12:49 ` Gavin Shan
2014-05-28 13:12 ` Alexander Graf
2014-05-28 13:12 ` Alexander Graf
2014-05-28 23:13 ` Gavin Shan
2014-05-28 23:13 ` Gavin Shan
2014-05-28 21:58 ` Benjamin Herrenschmidt
2014-05-28 21:58 ` Benjamin Herrenschmidt
2014-05-28 22:46 ` Alexander Graf
2014-05-28 22:46 ` Alexander Graf
2014-05-28 23:18 ` Benjamin Herrenschmidt
2014-05-28 23:18 ` Benjamin Herrenschmidt
2014-05-30 3:44 ` Alexey Kardashevskiy
2014-05-30 3:44 ` Alexey Kardashevskiy
2014-05-30 3:49 ` Benjamin Herrenschmidt [this message]
2014-05-30 3:49 ` Benjamin Herrenschmidt
2014-05-28 16:32 ` Alex Williamson
2014-05-28 16:32 ` Alex Williamson
2014-05-29 0:05 ` Gavin Shan
2014-05-29 0:05 ` Gavin Shan
2014-05-29 0:44 ` Benjamin Herrenschmidt
2014-05-29 0:44 ` Benjamin Herrenschmidt
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