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From: Corey Minyard <minyard@acm.org>
To: Robert Love <rml@tech9.net>
Cc: Antonio Vargas <wind@cocodriloo.com>,
	William Lee Irwin III <wli@holomorphy.com>,
	linux-kernel@vger.kernel.org
Subject: Re: fairsched + O(1) process scheduler
Date: Thu, 03 Apr 2003 11:15:10 -0600	[thread overview]
Message-ID: <3E8C6C1E.8080901@acm.org> (raw)
In-Reply-To: <1049321427.2872.25.camel@localhost>

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Robert Love wrote:

>Yep.  Everyone architecture I know of - and certainly all that Linux
>support - can do atomic read/writes to a word.  Thinking about it, it
>would be odd if not (two writes to a single word interleaving?).  There
>are places this assumption is used.
>
I believe this is true if the data is aligned.  I don't think it's true
for unaligned access on an x86.

- -Corey
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  parent reply	other threads:[~2003-04-03 17:03 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-01 12:51 fairsched + O(1) process scheduler Antonio Vargas
2003-04-01 16:41 ` William Lee Irwin III
2003-04-01 22:19   ` Antonio Vargas
2003-04-02 12:46     ` Antonio Vargas
2003-04-02 16:35       ` William Lee Irwin III
2003-04-02 21:36         ` Antonio Vargas
2003-04-02 21:35           ` Robert Love
2003-04-02 22:07             ` Antonio Vargas
2003-04-02 22:10               ` Robert Love
2003-04-02 22:35                 ` Antonio Vargas
2003-04-03 17:15                 ` Corey Minyard [this message]
2003-04-03 18:17                   ` Robert Love
     [not found]     ` <200304021144.21924.frankeh@watson.ibm.com>
2003-04-03 12:53       ` Antonio Vargas
2003-04-03 19:22         ` William Lee Irwin III
2003-04-04 11:27           ` Antonio Vargas
2003-04-04 14:04             ` William Lee Irwin III
2003-04-04 20:12               ` Antonio Vargas
2003-04-04 20:40                 ` William Lee Irwin III
     [not found]             ` <200304041453.16630.frankeh@watson.ibm.com>
2003-04-04 21:36               ` Antonio Vargas
     [not found]                 ` <200304081456.34367.frankeh@watson.ibm.com>
2003-04-08 20:19                   ` Antonio Vargas
2003-04-01 18:33 ` Robert Love

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