linux-kernel - Re: [PATCH 2/9] x86 idle: remove NOP cpuinfo_x86.hlt_works

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Message-ID: <20110331103320.5a72ff8c@lxorguk.ukuu.org.uk>
Date:	Thu, 31 Mar 2011 10:33:20 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Len Brown <lenb@...nel.org>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	Len Brown <len.brown@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 2/9] x86 idle: remove NOP cpuinfo_x86.hlt_works_ok flag

> Btw., we used to auto-detect broken HLT systems IIRC - but that got lost 
> already. We should at least honor the boot parameter.

I don't believe we ever auto detected them or found a way to do so. That
was why the HLT message was printed before hlt was executed.
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