linux-kernel - Re: x2apic boot failure on recent sandy bridge system

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Date:	Mon, 12 Dec 2011 15:42:16 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	"Berck E. Nash" <flyboy@...il.com>, Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: Re: x2apic boot failure on recent sandy bridge system

On 12/11/2011 07:40 PM, Yinghai Lu wrote:
> -v2: use x2apic_disabled instead of nox2apic, Suggested by Thomas
>      update x2apic_supported with x2apic_disabled, Suggested by Thomas

This is ugly.  Typically we have no- for boolean options.  If we have a
multivalue option it should be option=value, i.e. x2apic=disabled.  We
can allow x2apic_supported as a backwards compatibility option.

	-hpa

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