vmm vmx: Allocate vpids on demand as each vCPU is initialized.
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Authored by jhb on Oct 27 2022, 3:05 PM.

Details

Reviewers

markj
corvink

Group Reviewers

bhyve

Commits

rG20406b29b3ec: vmm vmx: Allocate vpids on demand as each vCPU is initialized.
rG58eefc67a1cf: vmm vmx: Allocate vpids on demand as each vCPU is initialized.

Summary

Compared to the previous version this does mean that if the system as
a whole runs out of dedicated vPIDs you might end up with some vCPUs
within a single VM using dedicated vPIDs and others using shared
vPIDs, but this should not break anything.

Diff Detail

Repository

rG FreeBSD src repository

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Unit

Tests Not Applicable

Event Timeline

jhb created this revision.Oct 27 2022, 3:05 PM

Herald added a reviewer: bhyve. · View Herald TranscriptOct 27 2022, 3:05 PM

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

jhb requested review of this revision.Oct 27 2022, 3:05 PM

Harbormaster completed remote builds in B48041: Diff 112278.Oct 27 2022, 3:05 PM

jhb added a parent revision: D37168: vmm: Lookup vcpu pointers in vmmdev_ioctl..Oct 27 2022, 3:05 PM

jhb added a child revision: D37170: vmm stat: Add a special nelems constant for arrays sized by vCPU count..

markj accepted this revision as: markj.Nov 4 2022, 3:48 PM

This revision is now accepted and ready to land.Nov 4 2022, 3:48 PM

corvink accepted this revision.Nov 11 2022, 12:10 PM

Closed by commit rG58eefc67a1cf: vmm vmx: Allocate vpids on demand as each vCPU is initialized. (authored by jhb). · Explain WhyNov 18 2022, 6:28 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rG58eefc67a1cf: vmm vmx: Allocate vpids on demand as each vCPU is initialized..

jhb added a commit: rG20406b29b3ec: vmm vmx: Allocate vpids on demand as each vCPU is initialized..Jan 26 2023, 10:17 PM

Revision Contents
Changeset List

Path

Size

sys/

amd64/

vmm/

intel/

vmx.h

1 line

vmx.c

47 lines

Diff 113309

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sys/amd64/vmm/intel/vmx.h