KVM: Detect Extended Destination ID support
Needs ReviewPublic
Actions

Authored by cperciva on Sun, Feb 22, 4:10 AM.

Tags

None

Referenced Files

	Unknown Object (File)
	Thu, Mar 12, 9:22 PM

	Unknown Object (File)
	Thu, Mar 12, 2:02 PM

	Unknown Object (File)
	Thu, Mar 12, 7:00 AM

	Unknown Object (File)
	Wed, Mar 11, 9:08 AM

	Unknown Object (File)
	Wed, Mar 11, 5:45 AM

	Unknown Object (File)
	Mon, Mar 9, 9:33 PM

	Unknown Object (File)
	Sun, Mar 8, 2:55 PM

	Unknown Object (File)
	Sun, Mar 8, 2:55 PM

View All 18 Files

Subscribers

imp

This revision needs review, but there are no reviewers specified.

Details

Reviewers: None

Summary

KVM advertises support for the Extended Destination ID standard via
bit 15 of the value returned in the EAX register when KVM 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 70926
Build 67809: arc lint + arc unit

Event Timeline

cperciva created this revision.Sun, Feb 22, 4:10 AM

Herald added a subscriber: imp. · View Herald TranscriptSun, Feb 22, 4:10 AM

cperciva requested review of this revision.Sun, Feb 22, 4:10 AM

cperciva added a parent revision: D55426: msi: Support APIC Extended Destination IDs.

cperciva added a child revision: D55428: x86/cpuid: add CPUID flag for Extended Destination ID support.

Harbormaster completed remote builds in B70866: Diff 172426.Sun, Feb 22, 4:11 AM

Only enable if ext_dest_id is set to -1.

Harbormaster completed remote builds in B70926: Diff 172538.Mon, Feb 23, 7:53 PM

cperciva mentioned this in D55429: Xen: Detect Extended Destination ID support.Wed, Feb 25, 7:16 AM

Revision Contents
Changeset List

Path

Size

sys/

x86/

include/

kvm.h

1 line

x86/

msi.c

12 lines

Diff 172538

View Options

sys/x86/include/kvm.h