Differential D20965

Propagate attribute changes during demotion.
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Authored by markj on Jul 15 2019, 10:57 PM.

Details

Reviewers

manu
alc
andrew
kib

Commits

rS350029: Propagate attribute changes during demotion.

Summary

After r349117 and r349122, some attribute changes do not trigger
superpage demotion. However, pmap_demote_l2() was not updated to ensure
that the replacement L3 entries carry any attribute changes that
occurred since promotion.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

markj created this revision.Jul 15 2019, 10:57 PM

Herald added a reviewer: manu. · View Herald TranscriptJul 15 2019, 10:57 PM

Herald added subscribers: emaste, andrew. · View Herald Transcript

Harbormaster completed remote builds in B25358: Diff 59791.Jul 15 2019, 10:57 PM

markj edited the summary of this revision. (Show Details)Jul 15 2019, 10:58 PM

markj added reviewers: alc, andrew.

markj added a reviewer: kib.Jul 16 2019, 12:59 AM

alc accepted this revision.Jul 16 2019, 1:49 AM

This revision is now accepted and ready to land.Jul 16 2019, 1:49 AM

That fixes my problem with my drm driver, thanks.
Tested-by: manu

Closed by commit rS350029: Propagate attribute changes during demotion. (authored by markj). · Explain WhyJul 16 2019, 2:41 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rS350029: Propagate attribute changes during demotion..

Herald added a subscriber: imp. · View Herald TranscriptJul 16 2019, 2:41 PM

Revision Contents
Changeset List

Path

Size

head/

sys/

arm64/

pmap.c

32 lines

Diff 59806

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head/sys/arm64/arm64/pmap.c

Propagate attribute changes during demotion.ClosedPublicActions