if_vtnet: Limit allocations of unused virtqueues
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Authored by bryanv on Jan 2 2021, 9:13 PM.

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rGbd8809df20be: if_vtnet: Limit allocations of unused virtqueues

Summary

For multiqueue, we may use fewer than the provided maximum number of
queues. Try to limit allocations of the unused queues: no interrupts,
no indirect descriptors, and no taskqueues.

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rG FreeBSD src repository

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Event Timeline

bryanv created this revision.Jan 2 2021, 9:13 PM

bryanv held this revision as a draft.

Herald added a subscriber: imp. · View Herald TranscriptJan 2 2021, 9:13 PM

bryanv added a reviewer: grehan.Jan 2 2021, 9:13 PM

Harbormaster completed remote builds in B35886: Diff 81544.Jan 2 2021, 9:13 PM

bryanv published this revision for review.Jan 2 2021, 10:04 PM

This revision was not accepted when it landed; it landed in state Needs Review.Jan 19 2021, 5:12 AM

Closed by commit rGbd8809df20be: if_vtnet: Limit allocations of unused virtqueues (authored by bryanv). · Explain Why

This revision was automatically updated to reflect the committed changes.

bryanv added a commit: rGbd8809df20be: if_vtnet: Limit allocations of unused virtqueues.

Revision Contents
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sys/

dev/

virtio/

network/

if_vtnet.c

40 lines

Diff 82546

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sys/dev/virtio/network/if_vtnet.c

if_vtnet: Limit allocations of unused virtqueuesClosedPublicActions