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Bug #6345

closed

remove xhat support

Added by Josef Sipek almost 6 years ago. Updated over 5 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
kernel
Start date:
2015-10-16
Due date:
% Done:

100%

Estimated time:
Difficulty:
Hard
Tags:
needs-triage
Gerrit CR:

Description

The xhat infrastructure was added to support hardware such as the zulu graphics card - hardware which had on-board MMUs. The VM used the xhat code to keep the CPU's and Zulu's page tables in-sync. Since the only xhat user was zulu (which is gone), we can safely remove it simplifying the whole VM subsystem.

Note to reviewers: AS_BUSY flag was used solely by xhat


Related issues

Blocked by illumos gate - Bug #6027: EOL zulu (XVR-4000)ClosedJosef Sipek2015-06-22

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