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Feature #13237

Plumb through PCID on AMD

Added by Robert Mustacchi 4 months ago. Updated 4 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Robert Mustacchi
Category:
kernel
Start date:
Due date:
% Done:

100%

Estimated time:
Difficulty:
Medium
Tags:
Gerrit CR:
1005

Description

Through some updates that happened to the Linux kernel and various revisions of the AMD manuals, we have reason to believe that the AMD will be adding support for PCID. We should update cpuid to enable that support in the system.

#1

Updated by Electric Monk 4 months ago

  • Gerrit CR set to 1005
#2

Updated by Robert Mustacchi 4 months ago

I verified that pcid was being detected in ::x86_featureset in mdb and verified that x86_use_pcid is set to one.

#3

Updated by Electric Monk 4 months ago

  • Status changed from New to Closed
  • % Done changed from 80 to 100

git commit c4b98ceff2f78fc5bb2f6bbe2e76627f04ef66f5

commit  c4b98ceff2f78fc5bb2f6bbe2e76627f04ef66f5
Author: Robert Mustacchi <rm@fingolfin.org>
Date:   2020-11-02T16:22:45.000Z

    13237 Plumb through PCID on AMD
    Reviewed by: Patrick Mooney <pmooney@pfmooney.com>
    Reviewed by: Toomas Soome <tsoome@me.com>
    Approved by: Dan McDonald <danmcd@joyent.com>

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