Don’t bother looking for non-executable pages when a process is excluded from PTI.
ClosedPublic
Actions

Authored by tychon on Jun 8 2018, 7:26 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Fri, Oct 10, 4:12 AM

	Unknown Object (File)
	Sat, Oct 4, 5:57 AM

	Unknown Object (File)
	Mon, Sep 29, 11:09 AM

	Unknown Object (File)
	Mon, Sep 29, 12:13 AM

	Unknown Object (File)
	Sun, Sep 28, 4:52 PM

	Unknown Object (File)
	Sat, Sep 20, 10:41 PM

	Unknown Object (File)
	Aug 16 2025, 12:58 AM

	Unknown Object (File)
	Aug 11 2025, 9:08 AM

View All 88 Files

Subscribers

imp

Details

Reviewers

kib

Commits

rS334856: Don't bother looking for non-executable pages when a process is

Diff Detail

Lint

Lint Skipped

Unit

Tests Skipped

Event Timeline

tychon created this revision.Jun 8 2018, 7:26 PM

kib added inline comments.Jun 8 2018, 8:14 PM

sys/amd64/amd64/trap.c
773	pti is not needed anymore ?
775	Excess ().

Incorporate feedback.

sys/amd64/amd64/trap.c
773	You're right. I can replace `pti` with `PCPU_GET(curpmap)->pm_ucr3 != PMAP_NO_CR3`.

kib accepted this revision.Jun 8 2018, 8:33 PM

This revision is now accepted and ready to land.Jun 8 2018, 8:33 PM

Closed by commit rS334856: Don't bother looking for non-executable pages when a process is (authored by tychon). · Explain WhyJun 8 2018, 8:36 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptJun 8 2018, 8:36 PM

Revision Contents
Changeset List

Path

Size

sys/

amd64/

trap.c

1 line

Diff 43471

View Options

Don’t bother looking for non-executable pages when a process is excluded from PTI.ClosedPublicActions