linux-kernel - Re: [PATCH 2/2] x86: Enable monitor/mwait on Intel if BIOS hasn't already

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Message-ID: <20110804215619.GA7101@srcf.ucam.org>
Date:	Thu, 4 Aug 2011 22:56:19 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Len Brown <lenb@...nel.org>
Cc:	Andrew Lutomirski <luto@....edu>, x86@...nel.org,
	linux-kernel@...r.kernel.org, Fenghua Yu <fenghua.yu@...el.com>,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 2/2] x86: Enable monitor/mwait on Intel if BIOS hasn't
 already

On Thu, Aug 04, 2011 at 05:54:04PM -0400, Len Brown wrote:
> > We can't trust BIOS authors to get things right. Where we can reliably 
> > fix up things that are broken, we should do so.
> 
> How about if we can get a BIOS fix for this brand new system,
> then we shall not clutter the kernel with a workaround,
> otherwise we shall.

It's a pretty good rule of thumb that if a BIOS bug is present in one 
BIOS it's present in others, but the users will just never notice.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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