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Re: [rtl] The HLT instruction

To: rtl@rtlinux.cs.nmt.edu
Subject: Re: [rtl] The HLT instruction
From: Daniele Lugli <danlugli@inrete.it>
Date: Thu, 01 Oct 1998 10:38:23 +0200
Organization: General Logic srl
References: <A5C249CD581AD111AE7C00A0C96FE0A7096CC0@server.geodetic.com> <199809291846.EAA25142@quanta.paypc.com>

PayPC System Mail Subscriber wrote:

Nathan Harris said in [rtl] The HLT instruction at 30/Sep/1998 (Wed) 00:26:55.
> Does RTLinux and/or Linux use the HLT instruction during the OS idle
I can speak for Linux.... it uses HLT when no tasks are in "ready" state.
I don't have rt-linux, but I doubt that aspect was changed.

I *hope* it has been changed. A real time system should *not* be put to sleep to save power!

Daniele Lugli

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