Bug 497184

Summary:	[LTC 6.0 FEAT] Task consolidation across nodes for single board NUMA machines [201927]
Product:	Red Hat Enterprise Linux 6	Reporter:	IBM Bug Proxy <bugproxy>
Component:	kernel	Assignee:	John Feeney <jfeeney>
Status:	CLOSED DEFERRED	QA Contact:	Martin Jenner <mjenner>
Severity:	high	Docs Contact:
Priority:	low
Version:	6.0	CC:	jjarvis, jlarrew, peterm
Target Milestone:	rc	Keywords:	FutureFeature
Target Release:	6.0
Hardware:	All
OS:	All
Whiteboard:
Fixed In Version:		Doc Type:	Enhancement
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2009-09-30 19:10:35 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	356741, 525727

Description IBM Bug Proxy 2009-04-22 17:40:43 UTC

=Comment: #0=================================================
Emily J. Ratliff <ratliff.com> - 
1. Feature Overview:
Feature Id:	[201927]
a. Name of Feature:	Task consolidation across nodes for single board NUMA machines
b. Feature Description
This patch series that extends the existing sched_smt_/mc_power_savings framework to work on
platforms that have on-chip memory controllers making each of the cpu-package a 'node'.  This
applies to Nehalem based hardware architectures.

2. Feature Details:
Sponsor:	Linux Systems Tech
Architectures:
x86_64
ppc64

Arch Specificity: Purely Common Code
Affects Core Kernel: Yes
Delivery Mechanism: Direct from community
Category:	Kernel
Request Type:	Kernel - Enhancement from Upstream
d. Upstream Acceptance:	Submitted
Sponsor Priority	1
f. Severity: High
IBM Confidential:	no
Code Contribution:	IBM code
g. Component Version Target:	Patch and discussions: (Version 3)
 http://lkml.org/lkml/2009/3/6/23

3. Business Case
To improve energy management on numa systems

4. Primary contact at Red Hat: 
John Jarvis
jjarvis

5. Primary contacts at Partner:
Project Management Contact:
Stephanie Glass, sglass.com, 512-838-9284

Technical contact(s):

Vaidyanathan Srinivasan, svaidyan.com

IBM Manager:
Jeffrey Heroux, heroux.com

Comment 1 IBM Bug Proxy 2009-05-20 06:21:08 UTC

------- Comment From svaidyan.com 2009-05-20 02:11 EDT-------
Code posted and reviewed in LKML

http://lwn.net/Articles/322403/

Comment 2 Matthew Garrett 2009-09-15 13:55:05 UTC

There doesn't appear to have been any discussion of the patches since March, and they're not upstream yet. Does IBM plan to push these?

Comment 3 IBM Bug Proxy 2009-09-30 18:51:19 UTC

------- Comment From sglass.com 2009-09-30 14:46 EDT-------
Since we have been able to get these patches upstream, deferring to RHEL 6.1

Comment 4 John Jarvis 2009-09-30 19:10:35 UTC

Setting as CLOSED DEFERRED to match IBM status.