| Date | Fri, 5 Feb 2021 16:49:05 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC 0/9] Linear Address Masking enabling |
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On Fri, Feb 05, 2021 at 06:16:20PM +0300, Kirill A. Shutemov wrote: > The feature competes for bits with 5-level paging: LAM_U48 makes it > impossible to map anything about 47-bits. The patchset made these > capability mutually exclusive: whatever used first wins. LAM_U57 can be > combined with mappings above 47-bits.
And I suppose we still can't switch between 4 and 5 level at runtime, using a CR3 bit?
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