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Re: [PATCH 13/13] RT: Cache cpus_allowed weight for optimizing migration

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From: Gregory Haskins
Subject: Re: [PATCH 13/13] RT: Cache cpus_allowed weight for optimizing migration
Date: Tuesday, October 23, 2007 - 8:20 pm

On Wed, 2007-10-24 at 02:19 +0200, Ingo Oeser wrote:


Hi Ingo,
  You are correct that the data is in fact interpreted as a boolean.  I
also had considered using a more boolean-like notation at one point.
However, I then figured I went through the expense of computing it, I
might as well store the actual value as an integer in case it can be
used in another way.  But to be honest, I cannot really think of any
other potential uses, so perhaps we would be best to follow your
suggestion.  It could always be changed if such a need ever arises.

Thank you for the feedback!

Regards,
-Greg
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Messages in current thread:
[PATCH 00/13] Balance RT tasks v5, Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 01/13] RT: push-rt, Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 02/13] RT: Condense the next-task search into one f ..., Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 03/13] RT: Add a per-cpu rt_overload indication, Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 04/13] RT: Wrap the RQ notion of priority to make i ..., Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 05/13] RT: Initialize the priority value, Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 06/13] RT: Maintain the highest RQ priority, Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 07/13] RT: Clean up some of the push-rt logic, Gregory Haskins, (Tue Oct 23, 9:50 am)
[PATCH 08/13] RT: Add support for low-priority wake-up to ..., Gregory Haskins, (Tue Oct 23, 9:51 am)
[PATCH 09/13] RT: Only dirty a cacheline if the priority i ..., Gregory Haskins, (Tue Oct 23, 9:51 am)
[PATCH 10/13] RT: Fixes for push-rt patch, Gregory Haskins, (Tue Oct 23, 9:51 am)
[PATCH 11/13] RT: Condense NORMAL and IDLE priorities, Gregory Haskins, (Tue Oct 23, 9:51 am)
[PATCH 12/13] RT: CPU priority management, Gregory Haskins, (Tue Oct 23, 9:51 am)
[PATCH 13/13] RT: Cache cpus_allowed weight for optimizing ..., Gregory Haskins, (Tue Oct 23, 9:51 am)
Re: [PATCH 13/13] RT: Cache cpus_allowed weight for optimi ..., Ingo Oeser, (Tue Oct 23, 5:19 pm)
Re: [PATCH 13/13] RT: Cache cpus_allowed weight for optimi ..., Gregory Haskins, (Tue Oct 23, 8:20 pm)