From: Ingo Molnar <mingo@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Josh Boyer <jwboyer@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Stephen Hemminger <shemminger@vyatta.com>,
Len Brown <len.brown@intel.com>,
linux-kernel@vger.kernel.org, Alan Cox <alan@lxorguk.ukuu.org.uk>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] floppy: revert floppy disable halt warning
Date: Wed, 28 Mar 2012 09:34:54 +0200 [thread overview]
Message-ID: <20120328073454.GC22885@gmail.com> (raw)
In-Reply-To: <4F72BBCE.1060307@zytor.com>
* H. Peter Anvin <hpa@zytor.com> wrote:
> On 03/27/2012 11:40 PM, Ingo Molnar wrote:
> >
> > No objections from me.
> >
> > Please resubmit against latest -tip, we unified the idle
> > routines which likely interacts with that patch.
>
> To the best of my knowledge, no-hlt only existed because of
> flaky power distributions on 386/486 systems which were sold
> to run DOS. Since DOS did no power management of any kind,
> including HLT, the power draw was fairly uniform; when exposed
> to the much higher noise levels you got when Linux used HLT
> caused some of these systems to fail.
>
> They were by far in the minority even back then.
This information should be added to the changelog.
Thanks,
Ingo
next prev parent reply other threads:[~2012-03-28 7:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-11 16:38 [PATCH] floppy: revert floppy disable halt warning Stephen Hemminger
2012-03-27 23:26 ` Andrew Morton
2012-03-28 0:24 ` Josh Boyer
2012-03-28 6:40 ` Ingo Molnar
2012-03-28 7:20 ` H. Peter Anvin
2012-03-28 7:34 ` Ingo Molnar [this message]
2012-03-28 10:46 ` Alan Cox
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