Bug 5653 - Add SMP C-state support for x86_64
Add SMP C-state support for x86_64
Status: CLOSED CODE_FIX
Product: ACPI
Classification: Unclassified
Component: Power-Processor
i386 Linux
: P2 normal
Assigned To: Len Brown
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2005-11-23 18:30 UTC by Shaohua
Modified: 2006-06-25 21:17 UTC (History)
1 user (show)

See Also:
Kernel Version: 2.6.15-rc2
Tree: Mainline
Regression: ---


Attachments
patch to invoke _PDC for x86_64 (1.10 KB, patch)
2005-11-23 18:37 UTC, Shaohua
Details | Diff
rebased against Venki's _PDC changes (3.14 KB, patch)
2005-12-01 17:37 UTC, Shaohua
Details | Diff
patch against 2.6.16-rc2 (3.15 KB, patch)
2006-02-08 17:35 UTC, Shaohua
Details | Diff

Description Shaohua 2005-11-23 18:30:34 UTC
x86_64 lacks the _PDC staff, so C2/C3 SMP can't work in x86_64.
Comment 1 Shaohua 2005-11-23 18:37:46 UTC
Created attachment 6672 [details]
patch to invoke _PDC for x86_64
Comment 2 Shaohua 2005-12-01 17:37:04 UTC
Created attachment 6744 [details]
rebased against Venki's _PDC changes
Comment 3 Shaohua 2006-02-08 17:35:17 UTC
Created attachment 7273 [details]
patch against 2.6.16-rc2
Comment 4 Len Brown 2006-02-09 01:27:18 UTC
applied to acpi-test
Comment 5 Len Brown 2006-06-25 21:17:57 UTC
shipped in 2.6.17-git9, closed. 

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