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Bug #14629

open

bhyve ioapic id needs masking

Added by Patrick Mooney 4 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
bhyve
Start date:
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
Tags:
Gerrit CR:

Description

The ID register in the vioapic allows writes to bits 31:24. The i82093aa specification declares only bits 27:24 to be writable. The mask used by vioapic should reflect that.

This was found by running the KVM unit tests against bhyve.

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