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From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64/kvm: Add generic v8 KVM target
Date: Fri, 03 Jul 2015 09:08:14 +0100	[thread overview]
Message-ID: <559642EE.1050605@arm.com> (raw)
In-Reply-To: <D805D093-CCFE-4835-853A-B2654DAA10A1@caviumnetworks.com>

On 02/07/15 21:29, Chalamarla, Tirumalesh wrote:
> is there a chance that this get merged in to 4.2? if not is it possible
> to accept the other patches like adding implementations explicitly(like
> Thunder).

We first need to reach a conclusion on this. Until then, I don't plan to
get anything in. As for 4.2, it feels way too late (the merge window is
almost closed now).

Thanks,

	M.

> 
> Thanks,
> Tirumalesh. 
>> On Jun 29, 2015, at 11:39 AM, Chalamarla, Tirumalesh
>> <Tirumalesh.Chalamarla@caviumnetworks.com
>> <mailto:Tirumalesh.Chalamarla@caviumnetworks.com>> wrote:
>>
>>>
>>> On Jun 29, 2015, at 10:52 AM, Marc Zyngier <marc.zyngier@arm.com
>>> <mailto:marc.zyngier@arm.com>> wrote:
>>>
>>> On 29/06/15 18:38, Peter Maydell wrote:
>>>> On 29 June 2015 at 18:30, Marc Zyngier <marc.zyngier@arm.com
>>>> <mailto:marc.zyngier@arm.com>> wrote:
>>>>> On 29/06/15 18:13, Chalamarla, Tirumalesh wrote:
>>>>>> Will this also prevents migrating between same implementations,
>>>>>> if no how is this identified.
>>>>>
>>>>> This shouldn't. It is pretty easy to look at the incoming guest's MIDR,
>>>>> and verify that it matches the default MIDR on the receiving
>>>>> system. Any
>>>>> difference, and the migration should abort.
>>>>
>>>> Do you really want to forbid migration between (say)
>>>> Cortex-A57 r3p0 and Cortex-A57 r3p1 ?
>>>>
>>>> That seems pretty harsh.
>>>
>>> I think we may need to allow for some flexibility (same major version
>>> only, or +/- 1 minor version...). The idea I'm trying to convey is that
>>> with "generic CPI", migration is not guaranteed unless we're on
>>> extremely similar hardware.
>>>
>> yes, this is the point i am trying to make, we need some flexibility.
>> so that it works with same chips with different passes may be. 
>> if we are allowing this, then we are not putting emulation as a
>> requirement. 
>>
>> Thanks,
>> Tirumalesh. 
>>
>>> M.
>>> -- 
>>> Jazz is not dead. It just smells funny...
> 


-- 
Jazz is not dead. It just smells funny...

  parent reply	other threads:[~2015-07-03  8:08 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-17  9:00 [PATCH] arm64/kvm: Add generic v8 KVM target Suzuki K. Poulose
2015-06-19 20:31 ` Timur Tabi
2015-06-22  6:47   ` Marc Zyngier
2015-06-22  8:44 ` Peter Maydell
2015-06-23 12:39   ` Christoffer Dall
2015-06-23 14:03     ` Suzuki K. Poulose
2015-06-23 14:16       ` Peter Maydell
2015-06-24  8:29   ` Marc Zyngier
2015-06-24  8:51     ` Christoffer Dall
2015-06-24  9:32       ` Marc Zyngier
2015-06-25 12:30         ` Christoffer Dall
2015-06-25 12:40           ` Marc Zyngier
2015-06-25 13:44             ` Marc Zyngier
2015-06-25 13:49               ` Peter Maydell
2015-06-26  9:53                 ` Christoffer Dall
2015-06-29 17:13                   ` Chalamarla, Tirumalesh
2015-06-29 17:30                     ` Marc Zyngier
2015-06-29 17:38                       ` Peter Maydell
2015-06-29 17:52                         ` Marc Zyngier
2015-06-29 18:39                           ` Chalamarla, Tirumalesh
     [not found]                             ` <D805D093-CCFE-4835-853A-B2654DAA10A1@caviumnetworks.com>
2015-07-03  8:08                               ` Marc Zyngier [this message]
2015-07-03  8:12                                 ` Peter Maydell
2015-07-03  8:28                                   ` Marc Zyngier
2015-07-03  9:34                                     ` Peter Maydell
2015-07-03 10:10                                       ` Marc Zyngier
2015-07-17  9:33                                         ` Christoffer Dall
2015-07-17  9:56                                           ` Marc Zyngier
2015-07-17 10:15                                             ` Christoffer Dall
2015-07-17 10:19                                               ` Marc Zyngier
2015-07-17 17:56                                                 ` Chalamarla, Tirumalesh

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