Bug 455427 - x86: don't call MP_processor_info for disabled cpu (64bit)
Summary: x86: don't call MP_processor_info for disabled cpu (64bit)
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel
Version: 5.3
Hardware: x86_64
OS: Linux
low
low
Target Milestone: rc
: ---
Assignee: Prarit Bhargava
QA Contact: Martin Jenner
URL:
Whiteboard:
Depends On:
Blocks: 455409
TreeView+ depends on / blocked
 
Reported: 2008-07-15 14:09 UTC by Prarit Bhargava
Modified: 2009-01-20 20:25 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2009-01-20 20:25:50 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)
Upstream fix for this issue (3.40 KB, patch)
2008-07-15 14:09 UTC, Prarit Bhargava
no flags Details | Diff
RHEL5 fix for this issue (931 bytes, patch)
2008-07-15 22:57 UTC, Prarit Bhargava
no flags Details | Diff


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2009:0225 0 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 5.3 kernel security and bug fix update 2009-01-20 16:06:24 UTC

Description Prarit Bhargava 2008-07-15 14:09:02 UTC
Backport

Gitweb:    
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8ccab29ca8c441ae00d878d2f0000275f430f8a5
Commit:     8ccab29ca8c441ae00d878d2f0000275f430f8a5
Parent:     86c9835b46605fb29a3c30c6cc344d9df49e54a3
Author:     Alexey Starikovskiy <astarikovskiy>
AuthorDate: Thu Mar 27 23:55:28 2008 +0300
Committer:  Ingo Molnar <mingo>
CommitDate: Thu Apr 17 17:41:32 2008 +0200

    x86: don't call MP_processor_info for disabled cpu (64bit)
    
    Signed-off-by: Alexey Starikovskiy <astarikovskiy>
    Signed-off-by: Ingo Molnar <mingo>

Comment 1 Prarit Bhargava 2008-07-15 14:09:02 UTC
Created attachment 311831 [details]
Upstream fix for this issue

Comment 2 Prarit Bhargava 2008-07-15 22:57:18 UTC
Created attachment 311891 [details]
RHEL5 fix for this issue

Comment 3 Prarit Bhargava 2008-07-15 23:02:45 UTC
While resolving this issue I noticed a minor bug with the declaration of
disabled_cpus.  It should be declared as __cpuinitdata, not __initdata.

P.

Comment 4 RHEL Program Management 2008-07-15 23:42:30 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 6 Don Zickus 2008-07-23 18:56:12 UTC
in kernel-2.6.18-99.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Comment 10 errata-xmlrpc 2009-01-20 20:25:50 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2009-0225.html


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