vmm: implement VM_CAP_MASK_HWINTR on AMD CPUs
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Authored by bnovkov on Oct 19 2023, 4:05 PM.

Details

Reviewers

corvink
jhb

Group Reviewers

bhyve

Commits

rGb879ddc755b7: vmm: implement VM_CAP_MASK_HWINTR on AMD CPUs
rG181afaaaee00: vmm: implement VM_CAP_MASK_HWINTR on AMD CPUs

Summary

This patch implements the interrupt blocking VM capability on AMD CPUs.
Implementing this capability allows the GDB stub to single-step a virtual machine without landing inside interrupt handlers.

This work was sponsored by the GSoC '22 program.

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Repository

rG FreeBSD src repository

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

bnovkov created this revision.Oct 19 2023, 4:05 PM

Herald added a reviewer: bhyve. · View Herald TranscriptOct 19 2023, 4:05 PM

Herald added subscribers: bcran, rgrimes, imp. · View Herald Transcript

bnovkov requested review of this revision.Oct 19 2023, 4:05 PM

bnovkov added a parent revision: D42298: bhyve: refactor gdbstub to enable single-stepping on AMD CPUs.

corvink accepted this revision.Oct 30 2023, 2:59 PM

This revision is now accepted and ready to land.Oct 30 2023, 2:59 PM

jhb accepted this revision.Nov 29 2023, 6:07 PM

Closed by commit rG181afaaaee00: vmm: implement VM_CAP_MASK_HWINTR on AMD CPUs (authored by bnovkov, committed by jhb). · Explain WhyDec 7 2023, 11:17 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rG181afaaaee00: vmm: implement VM_CAP_MASK_HWINTR on AMD CPUs.

jhb added a commit: rGb879ddc755b7: vmm: implement VM_CAP_MASK_HWINTR on AMD CPUs.Jan 5 2024, 12:29 AM

Revision Contents
Changeset List

Path

Size

sys/

amd64/

vmm/

amd/

svm.c

11 lines

Diff 131158

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vmm: implement VM_CAP_MASK_HWINTR on AMD CPUsClosedPublicActions