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From: Mike Qiu <qiudayu@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: aik@ozlabs.ru, linuxppc-dev@lists.ozlabs.org,
	Gavin Shan <gwshan@linux.vnet.ibm.com>,
	kvm-ppc@vger.kernel.org, agraf@suse.de
Subject: Re: [PATCH v1 2/3] powerpc/powernv: Support PCI error injection
Date: Tue, 24 Jun 2014 06:57:48 +0000	[thread overview]
Message-ID: <53A9216C.8050904@linux.vnet.ibm.com> (raw)
In-Reply-To: <1403591761.4587.161.camel@pasglop>

On 06/24/2014 02:36 PM, Benjamin Herrenschmidt wrote:
>> Is it reasonable to do error injection with "CONFIG_IOMMU_API" ?
>>
>> That means if use default config(CONFIG_IOMMU_API = n),  we can not do
>> error injection to pci devices?
> Well we can't pass them through either so ...
> In any case, this is not a priority. First we need to implement a solid
> error injection facility for the *host*. The guest one is really really

OK.

Is that mean *host* side error injection should base on 
"CONFIG_IOMMU_API" ? If it is just host side(no guest, no pass through), 
can't we do error inject?

Maybe I misunderstand :)

Thanks
Mike
> low on the list.
>
> Cheers,
> Ben.
>
>
>


WARNING: multiple messages have this Message-ID (diff)
From: Mike Qiu <qiudayu@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: aik@ozlabs.ru, linuxppc-dev@lists.ozlabs.org,
	Gavin Shan <gwshan@linux.vnet.ibm.com>,
	kvm-ppc@vger.kernel.org, agraf@suse.de
Subject: Re: [PATCH v1 2/3] powerpc/powernv: Support PCI error injection
Date: Tue, 24 Jun 2014 14:57:48 +0800	[thread overview]
Message-ID: <53A9216C.8050904@linux.vnet.ibm.com> (raw)
In-Reply-To: <1403591761.4587.161.camel@pasglop>

On 06/24/2014 02:36 PM, Benjamin Herrenschmidt wrote:
>> Is it reasonable to do error injection with "CONFIG_IOMMU_API" ?
>>
>> That means if use default config(CONFIG_IOMMU_API = n),  we can not do
>> error injection to pci devices?
> Well we can't pass them through either so ...
> In any case, this is not a priority. First we need to implement a solid
> error injection facility for the *host*. The guest one is really really

OK.

Is that mean *host* side error injection should base on 
"CONFIG_IOMMU_API" ? If it is just host side(no guest, no pass through), 
can't we do error inject?

Maybe I misunderstand :)

Thanks
Mike
> low on the list.
>
> Cheers,
> Ben.
>
>
>

  reply	other threads:[~2014-06-24  6:57 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-23  2:14 [PATCH v1 0/3] Support PCI Error Injection Gavin Shan
2014-06-23  2:14 ` Gavin Shan
2014-06-23  2:14 ` [PATCH v1 1/3] powerpc/powernv: Sync header with firmware Gavin Shan
2014-06-23  2:14   ` Gavin Shan
2014-06-23 21:10   ` Benjamin Herrenschmidt
2014-06-23 21:10     ` Benjamin Herrenschmidt
2014-06-23 23:44     ` Gavin Shan
2014-06-23 23:44       ` Gavin Shan
2014-06-23 23:50       ` Benjamin Herrenschmidt
2014-06-23 23:50         ` Benjamin Herrenschmidt
2014-06-23  2:14 ` [PATCH v1 2/3] powerpc/powernv: Support PCI error injection Gavin Shan
2014-06-23  2:14   ` Gavin Shan
2014-06-23  6:36   ` Michael Neuling
2014-06-23  6:36     ` Michael Neuling
2014-06-25  0:05     ` Gavin Shan
2014-06-25  0:05       ` Gavin Shan
2014-06-26  4:48       ` Stewart Smith
2014-06-26  4:48         ` Stewart Smith
2014-06-23 21:05   ` Benjamin Herrenschmidt
2014-06-23 21:05     ` Benjamin Herrenschmidt
2014-06-24  6:18   ` Mike Qiu
2014-06-24  6:18     ` Mike Qiu
2014-06-24  6:36     ` Benjamin Herrenschmidt
2014-06-24  6:36       ` Benjamin Herrenschmidt
2014-06-24  6:57       ` Mike Qiu [this message]
2014-06-24  6:57         ` Mike Qiu
2014-06-24  7:00         ` Benjamin Herrenschmidt
2014-06-24  7:00           ` Benjamin Herrenschmidt
2014-06-25  0:03           ` Gavin Shan
2014-06-25  0:03             ` Gavin Shan
2014-06-25  3:05             ` Mike Qiu
2014-06-25  3:05               ` Mike Qiu
2014-06-25  3:19               ` Benjamin Herrenschmidt
2014-06-25  3:19                 ` Benjamin Herrenschmidt
2014-07-21  8:06                 ` Mike Qiu
2014-07-21  8:06                   ` Mike Qiu
2014-07-21 22:49                   ` Benjamin Herrenschmidt
2014-07-21 22:49                     ` Benjamin Herrenschmidt
2014-07-22  3:10                     ` Mike Qiu
2014-07-22  3:10                       ` Mike Qiu
2014-07-22  3:21                       ` Benjamin Herrenschmidt
2014-07-22  3:21                         ` Benjamin Herrenschmidt
2014-07-22  3:26                       ` Gavin Shan
2014-07-22  3:26                         ` Gavin Shan
2014-07-22  4:00                         ` Mike Qiu
2014-07-22  4:00                           ` Mike Qiu
2014-06-26  4:52   ` Stewart Smith
2014-06-26  4:52     ` Stewart Smith
2014-06-23  2:14 ` [PATCH v1 3/3] powerpc/powernv: Clear PAPR error injection registers Gavin Shan
2014-06-23  2:14   ` Gavin Shan

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