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Re: [Xen-devel] [PATCH] use per-cpu variables in cpufreq

  • To: "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>
  • From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
  • Date: Tue, 14 Jun 2011 11:04:02 +0200
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Tue, 14 Jun 2011 02:09:25 -0700
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On 06/10/11 21:00, Langsdorf, Mark wrote:
After Keir's comments downthread, are we going to see a
fresh patch for review?

Yes, I think I'll have some time this week to do this.
Sorry for the delay...


--Mark Langsdorf
Operating System Research Center

-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
Juergen Gross
Sent: Friday, May 27, 2011 6:11 AM
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] [PATCH] use per-cpu variables in cpufreq

The cpufreq driver used some local arrays indexed by cpu
number. This patch
replaces those arrays by per-cpu variables. The AMD and INTEL
specific parts
used different per-cpu data structures with nearly identical
Fold the two structures into one by adding a generic
architecture data item.

Signed-off-by: juergen.gross@xxxxxxxxxxxxxx

8 files changed, 58 insertions(+), 66 deletions(-)
xen/arch/x86/acpi/cpufreq/cpufreq.c       |   36
xen/arch/x86/acpi/cpufreq/powernow.c      |   43
xen/drivers/acpi/pmstat.c                 |    6 ++--
xen/drivers/cpufreq/cpufreq.c             |   24 ++++++++--------
xen/drivers/cpufreq/cpufreq_ondemand.c    |    2 -
xen/drivers/cpufreq/utility.c             |    8 ++---
xen/include/acpi/cpufreq/cpufreq.h        |    3 +-
xen/include/acpi/cpufreq/processor_perf.h |    2 -

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Juergen Gross                 Principal Developer Operating Systems
TSP ES&S SWE OS6                       Telephone: +49 (0) 89 3222 2967
Fujitsu Technology Solutions              e-mail: juergen.gross@xxxxxxxxxxxxxx
Domagkstr. 28                           Internet: ts.fujitsu.com
D-80807 Muenchen                 Company details: ts.fujitsu.com/imprint.html

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