Messages in this thread | | | Date | Fri, 12 Jan 2024 12:37:31 -0800 | Subject | Re: [PATCH v1 11/26] x86/sev: Invalidate pages from the direct map when adding them to the RMP table | From | Dave Hansen <> |
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On 1/12/24 12:28, Tom Lendacky wrote: > I thought there was also a desire to remove the direct map for any pages > assigned to a guest as private, not just the case that the comment says. > So updating the comment would probably the best action.
I'm not sure who desires that.
It's sloooooooow to remove things from the direct map. There's almost certainly a frequency cutoff where running the whole direct mapping as 4k is better than the cost of mapping/unmapping.
Actually, where _is_ the TLB flushing here?
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