Page MenuHomeFreeBSD
Differential D55431

Bhyve: Detect Extended Destination ID support
ClosedPublic
Actions

Authored by cperciva on Feb 22 2026, 4:11 AM.
Tags
None
Referenced Files
F165356294: D55431.id172430.diff
Fri, Aug 7, 7:45 PM
F165334631: D55431.id172540.diff
Fri, Aug 7, 5:11 PM
Unknown Object (File)
Thu, Aug 6, 5:38 AM
Unknown Object (File)
Tue, Aug 4, 6:56 AM
Unknown Object (File)
Tue, Aug 4, 4:42 AM
Unknown Object (File)
Tue, Aug 4, 3:18 AM
Unknown Object (File)
Mon, Aug 3, 2:08 AM
Unknown Object (File)
Thu, Jul 30, 2:14 AM
View All 85 Files
Subscribers
imp

Details

Reviewers
None
Group Reviewers
bhyve
Commits
rG2b82661c9792: Bhyve: Detect Extended Destination ID support
rGd2c7300800d0: Bhyve: Detect Extended Destination ID support
rG8dd9a0d52175: Bhyve: Detect Extended Destination ID support
Summary

Bhyve advertises support for the Extended Destination ID standard via
bit 0 (aka CPUID_BHYVE_FEAT_EXT_DEST_ID) of the value returned in the
EAX register when Bhyve features are queried via CPUID.

MFC after: 2 weeks

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 71442
Build 68325: arc lint + arc unit

Event Timeline

cperciva created this revision.Feb 22 2026, 4:11 AM
Herald added a subscriber: imp. · View Herald TranscriptFeb 22 2026, 4:11 AM
cperciva requested review of this revision.Feb 22 2026, 4:11 AM
Harbormaster completed remote builds in B70870: Diff 172430.Feb 22 2026, 4:11 AM
cperciva added a parent revision: D55430: vmm: Move defines from x86.c to x86/bhyve.h.Feb 22 2026, 4:11 AM
cperciva added a child revision: D55432: Hyper-V: Detect Extended Destination ID support.
cperciva added a reviewer: bhyve.Feb 22 2026, 4:15 AM
cperciva updated this revision to Diff 172540.Feb 23 2026, 7:53 PM

Only enable if ext_dest_id is set to -1.

Harbormaster completed remote builds in B70928: Diff 172540.Feb 23 2026, 7:53 PM
cperciva updated this revision to Diff 173783.Mar 17 2026, 4:00 AM

Move detection code into local_apic.c

Harbormaster completed remote builds in B71442: Diff 173783.Mar 17 2026, 4:00 AM
This revision was not accepted when it landed; it landed in state Needs Review.Mar 28 2026, 5:57 AM
Closed by commit rG8dd9a0d52175: Bhyve: Detect Extended Destination ID support (authored by cperciva). · Explain Why
This revision was automatically updated to reflect the committed changes.
cperciva added a commit: rG8dd9a0d52175: Bhyve: Detect Extended Destination ID support.
cperciva added a commit: rGd2c7300800d0: Bhyve: Detect Extended Destination ID support.Apr 16 2026, 3:05 PM
cperciva added a commit: rG2b82661c9792: Bhyve: Detect Extended Destination ID support.Apr 16 2026, 3:12 PM

Revision Contents
Changeset List

PathSize
sys/
x86/
x86/
8 lines

Diff 173783

View Options

sys/x86/x86/local_apic.c

Loading...