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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next prev 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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