amd64/pmap: Return la57 in amd nested page
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Authored by aokblast on Tue, Jun 30, 9:14 PM.

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imp

kib

Details

Reviewers

kib

Summary

AMD doesn't encode page depth in eptp. As a result, the page level is
decided by the host la57 value. Without this, it uses 4 level page and
therefore cause machine enable la57 have garbage page translation.

Diff Detail

Repository

rG FreeBSD src repository

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Lint Passed

Unit

No Test Coverage

Build Status

Buildable 74435
Build 71318: arc lint + arc unit

Event Timeline

aokblast created this revision.Tue, Jun 30, 9:14 PM

Herald added a subscriber: imp. · View Herald TranscriptTue, Jun 30, 9:14 PM

aokblast requested review of this revision.Tue, Jun 30, 9:14 PM

Harbormaster completed remote builds in B74435: Diff 181118.Tue, Jun 30, 9:14 PM

@kib I don't have the machine now so it needs test from the user.

kib accepted this revision.Tue, Jun 30, 10:52 PM

This revision is now accepted and ready to land.Tue, Jun 30, 10:52 PM

Revision Contents
Changeset List

Path

Size

sys/

amd64/

pmap.c

14 lines

Diff 181118

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amd64/pmap: Return la57 in amd nested pageAcceptedPublicActions