Re: [PATCH 7/9] KVM: arm/arm64: vgic-its: free caches when GITS_BASER Valid bit is cleared

[Christoffer Dall]

Hi Eric,

On Mon, Sep 25, 2017 at 03:34:36PM +0200, Eric Auger wrote:
> When the GITS_BASER<n>.Valid gets cleared, the data structures in
> guest RAM are not provisionned anymore. The device, collection
> and LPI lists stored in the in-kernel ITS represent the same
> information in some form of cache. So let's void the cache.

Just a thought.  What about the opposite case, if the BASERs were
previously not valid, and then become valid, is the ITS expected restore
the state from memory?

Thanks,
-Christoffer