arm64: remove an unneeded test from pmap_clear_modify()
ClosedPublic
Actions

Authored by alc on Jun 23 2021, 5:33 AM.

Tags

None

Referenced Files

	Unknown Object (File)
	Fri, May 17, 3:37 AM

	Unknown Object (File)
	Mon, May 13, 9:19 AM

	Unknown Object (File)
	Mon, May 13, 7:23 AM

	Unknown Object (File)
	Mon, May 13, 7:22 AM

	Unknown Object (File)
	Mon, May 13, 6:04 AM

	Unknown Object (File)
	Sun, May 12, 8:03 PM

	Unknown Object (File)
	Mar 7 2024, 8:31 PM

	Unknown Object (File)
	Feb 10 2024, 8:51 AM

View All 19 Files

Subscribers

emaste

Details

Reviewers

andrew
kib
markj
manu

Commits

rG62ea198e95f1: arm64: remove an unneeded test from pmap_clear_modify()

Summary

The page table entry for a 4KB page mapping must be valid if a PV entry for the mapping exists, so there is no point in testing each page table entry's validity when iterating over a PV list.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

alc created this revision.Jun 23 2021, 5:33 AM

Herald added a reviewer: manu. · View Herald TranscriptJun 23 2021, 5:33 AM

Herald added a subscriber: emaste. · View Herald Transcript

alc requested review of this revision.Jun 23 2021, 5:33 AM

kib accepted this revision.Jun 23 2021, 5:54 AM

This revision is now accepted and ready to land.Jun 23 2021, 5:54 AM

markj accepted this revision.Jun 23 2021, 12:57 PM

Closed by commit rG62ea198e95f1: arm64: remove an unneeded test from pmap_clear_modify() (authored by alc). · Explain WhyJun 23 2021, 7:29 PM

This revision was automatically updated to reflect the committed changes.

alc added a commit: rG62ea198e95f1: arm64: remove an unneeded test from pmap_clear_modify().

Revision Contents
Changeset List

Path

Size

sys/

arm64/

pmap.c

3 lines

Diff 91273

View Options

arm64: remove an unneeded test from pmap_clear_modify()ClosedPublicActions