On Fri, Sep 04, 2020 at 12:28:56PM +0100, Andre Przywara wrote: > In some architectural corner cases, AT instructions can generate an > exception, which KVM is not really ready to handle properly. > Teach the code to handle this situation gracefully. > > This is a backport of the respective upstream patches to v4.9(.235). > James prepared and tested these already, but we were lacking the upstream > commit IDs so far. > I am sending this on his behalf, since he is off this week. > > The original patches contained stable tags, but with a prerequisite > patch in v5.3. Patch 2/4 is a backport of this one (removing ARMv8.2 RAS > barriers, which are not supported in v4.9), patches 1/4 and 3/4 > needed some massaging to apply and work on 4.9. This, and the 4.14 series, now queued up, thanks. greg k-h
