linux-kernel - Re: [PATCH] arm64: KVM: Enable minimalistic support for Thunder

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Message-ID: <55917C31.4060107@arm.com>
Date:	Mon, 29 Jun 2015 18:11:13 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	"Chalamarla, Tirumalesh" <Tirumalesh.Chalamarla@...iumnetworks.com>
CC:	"kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
	Andre Przywara <Andre.Przywara@....com>,
	Will Deacon <Will.Deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"rrichter@...ium.com" <rrichter@...ium.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Suzuki Poulose <Suzuki.Poulose@....com>
Subject: Re: [PATCH] arm64: KVM: Enable minimalistic support for Thunder

On 29/06/15 18:06, Chalamarla, Tirumalesh wrote:
> 
>> On Jun 29, 2015, at 1:53 AM, Marc Zyngier <marc.zyngier@....com> wrote:
>>
>> On 26/06/15 20:51, Tirumalesh Chalamarla wrote:
>>> In order to allow KVM to run on Thunder implementations, add the
>>> minimal support required.
>>>
>>> Signed-off-by: Tirumalesh Chalamarla <tchalamarla@...iumnetworks.com>
>>
>> CCing the KVM/ARM maintainers should be the first course of action.
>>
> thanks. 
> 
>> Also, you may want to try Suzuki's patch instead:
>>
>> http://www.spinics.net/lists/kvm/msg117703.html
>>
> will try with this.
> 
>> Constantly adding new CPUs without providing any insight as to how they
>> should be emulated only brings churn, and not much benefit.
>>
> we are not planning(at this point) to emulate Thunder with QEMU/others.   

Fair enough. If cross-cpu VM migration is none of your concern, then
Suzuki's patch should be enough.

Thanks,

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