Messages in this thread |  | | Date | Mon, 28 Aug 2017 15:35:11 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH v2 14/20] mm: Provide speculative fault infrastructure |
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> That makes me extremely nervous... there could be all sort of > assumptions esp. in arch code about the fact that we never populate the > tree without the mm sem. > > We'd have to audit archs closely. Things like the page walk cache > flushing on power etc...
Yes the whole thing is quite risky. Probably will need some kind of per architecture opt-in scheme?
-Andi
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