execve: Mark exec argument buffers
ClosedPublic
Actions

Authored by markj on Mar 27 2021, 11:29 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Sat, Aug 8, 2:11 PM

	Unknown Object (File)
	Sat, Aug 8, 10:10 AM

	Unknown Object (File)
	Fri, Jul 31, 10:34 PM

	Unknown Object (File)
	Wed, Jul 22, 4:51 PM

	Unknown Object (File)
	Mon, Jul 20, 8:02 AM

	Unknown Object (File)
	Jul 11 2026, 7:41 PM

	Unknown Object (File)
	Jul 11 2026, 1:47 AM

	Unknown Object (File)
	Jul 2 2026, 3:28 PM

View All Files

Subscribers

emaste

imp

Details

Reviewers: None
Commits: rGf1c3adefd95d: execve: Mark exec argument buffers

Summary

We cache mapped execve argument buffers to avoid the overhead of TLB
shootdowns. Mark them invalid when they are freed to the cache.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

markj created this revision.Mar 27 2021, 11:29 PM

Herald added a subscriber: imp. · View Herald TranscriptMar 27 2021, 11:29 PM

markj requested review of this revision.Mar 27 2021, 11:29 PM

Harbormaster completed remote builds in B38131: Diff 86417.Mar 27 2021, 11:29 PM

markj added a parent revision: D29459: vfs: Add KASAN state transitions for vnodes.Mar 27 2021, 11:29 PM

markj added a child revision: D29461: malloc: Add state transitions for KASAN.

emaste added a subscriber: emaste.Mar 28 2021, 1:31 AM

This revision was not accepted when it landed; it landed in state Needs Review.Apr 13 2021, 9:43 PM

Closed by commit rGf1c3adefd95d: execve: Mark exec argument buffers (authored by markj). · Explain Why

This revision was automatically updated to reflect the committed changes.

markj added a commit: rGf1c3adefd95d: execve: Mark exec argument buffers.

Revision Contents
Changeset List

Path

Size

sys/

kern/

kern_exec.c

5 lines

subr_asan.c

2 lines

sys/

asan.h

1 line

Diff 87409

View Options

sys/kern/kern_exec.c

View Options

sys/kern/subr_asan.c

View Options

execve: Mark exec argument buffersClosedPublicActions

Details

Diff Detail

Event Timeline

Revision ContentsChangeset List

Diff 87409

sys/kern/kern_exec.c

sys/kern/subr_asan.c

sys/sys/asan.h

execve: Mark exec argument buffers
ClosedPublic
Actions

Revision Contents
Changeset List