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Re: [Qemu-devel] [virtio-dev] Re: [PATCH 1/3] virtio: Basic implementati


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [virtio-dev] Re: [PATCH 1/3] virtio: Basic implementation of virtio pstore driver
Date: Fri, 18 Nov 2016 10:46:50 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0


On 18/11/2016 05:07, Michael S. Tsirkin wrote:
> On Fri, Nov 18, 2016 at 12:32:06PM +0900, Namhyung Kim wrote:
>> Btw I prefer using the kvmtool for my kernel work since it's much more
>> simpler..
> 
> Up to you but then you should extend that to support 1.0 spec.
> I strongly object to adding to the list of legacy interfaces
> we need to maintain.

I object to adding paravirtualization unless there is a good reason why
the usual mechanisms for physical machines cannot be used.  The cost of
maintaining a spec, two device implementations (kvmtool+qemu) and a
driver is not small, plus it will not work on older kernels.

Paolo



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