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Re: [Qemu-devel] [PATCH 0/1] Add virtio-input driver.
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH 0/1] Add virtio-input driver. |
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Date: |
Thu, 19 Mar 2015 18:05:16 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 19/03/2015 17:33, Michael S. Tsirkin wrote:
> On Thu, Mar 19, 2015 at 03:46:44PM +0100, Gerd Hoffmann wrote:
>> Latest. As far I know there never ever have been incompatible changes
>> to the interface, and given this is userspace/kernel abi I don't expect
>> that to happen in the future.
>
> More events are added though, are they not? And distros backport rundom
> subsets.
> So I worry: what happens e.g. if you migrate between hosts which expose
> slightly different subsets of events?
> Might e.g. a button get stuck because button-press event was
> sent but button-release wasn't?
I think this is the same as SCSI. You can migrate between hosts which
expose slightly different command sets.
Paolo