Re: fairsched + O(1) process scheduler

From: Corey Minyard (minyard@acm.org)
Date: Thu Apr 03 2003 - 12:15:10 EST


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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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