Page MenuHomeFreeBSD
Differential D57321

amd64: do not switch back and restore UEFI IDT in wrmsr_early_safe_end()
ClosedPublic
Actions

Authored by kib on May 29 2026, 7:36 AM.
Tags
None
Referenced Files
Unknown Object (File)
Sat, Jun 27, 1:33 PM
Unknown Object (File)
Fri, Jun 26, 9:21 AM
Unknown Object (File)
Thu, Jun 25, 2:16 PM
Unknown Object (File)
Thu, Jun 25, 10:53 AM
Unknown Object (File)
Thu, Jun 25, 10:36 AM
Unknown Object (File)
Wed, Jun 24, 8:09 AM
Unknown Object (File)
Tue, Jun 23, 11:26 PM
Unknown Object (File)
Wed, Jun 10, 7:57 AM
View All 24 Files
Subscribers
imp

Details

Reviewers
markj
Commits
rG606d3cb1be5f: amd64: do not switch back and restore UEFI IDT in wrmsr_early_safe_end()
Summary
The memory where the pre-OS IDT was located might be already consumed by
kernel.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

kib created this revision.May 29 2026, 7:36 AM
Herald added a subscriber: imp. · View Herald TranscriptMay 29 2026, 7:36 AM
kib requested review of this revision.May 29 2026, 7:36 AM
This revision was not accepted when it landed; it landed in state Needs Review.Jun 1 2026, 4:37 PM
Closed by commit rG606d3cb1be5f: amd64: do not switch back and restore UEFI IDT in wrmsr_early_safe_end() (authored by kib). · Explain Why
This revision was automatically updated to reflect the committed changes.
kib added a commit: rG606d3cb1be5f: amd64: do not switch back and restore UEFI IDT in wrmsr_early_safe_end().

Revision Contents
Changeset List

PathSize
sys/
amd64/
amd64/
8 lines

Diff 179065

View Options

sys/amd64/amd64/machdep.c

Loading...