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Re: device compatibility interface for live migration with assigned devices



On Wed, 26 Aug 2020 14:41:17 +0800
Yan Zhao <yan y zhao intel com> wrote:

> previously, we want to regard the two mdevs created with dsa-1dwq x 30 and
> dsa-2dwq x 15 as compatible, because the two mdevs consist equal resources.
> 
> But, as it's a burden to upper layer, we agree that if this condition
> happens, we still treat the two as incompatible.
> 
> To fix it, either the driver should expose dsa-1dwq only, or the target
> dsa-2dwq needs to be destroyed and reallocated via dsa-1dwq x 30.

AFAIU, these are mdev types, aren't they? So, basically, any management
software needs to take care to use the matching mdev type on the target
system for device creation?


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