From: David Given <dg@cowlark.com>
To: linux-8086@vger.kernel.org
Subject: Re: idle process in x86 linux
Date: Fri, 26 Oct 2012 16:51:22 +0100 [thread overview]
Message-ID: <508AB17A.1050707@cowlark.com> (raw)
In-Reply-To: <CALKntY1fcU4RTrpdsQ7MH9cuRv1wo3c4RxsFedfHq4s+XODf=A@mail.gmail.com>
Xin Tong wrote:
> I am wondering why idle process is implemented as infinite loop with
> HLT instruction. how does it compare to MWAIT and MONITOR instruction
> sequence ?
They're only available in very modern processors --- ELKS targets the
8086, so they're not available. HLT is the only game in town.
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next prev parent reply other threads:[~2012-10-26 15:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-26 14:28 idle process in x86 linux Xin Tong
2012-10-26 15:51 ` David Given [this message]
2012-10-27 3:03 ` Xin Tong
2012-10-29 8:13 ` Angel M Alganza
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