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

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Message-ID: <CAE9FiQWUhp1v86YZ=rGL3g=5EfgAOt1OCGkH2b7ut0juOebeaw@mail.gmail.com>
Date:	Mon, 12 Dec 2011 17:25:27 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
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 Mon, Dec 12, 2011 at 3:42 PM, H. Peter Anvin <hpa@...or.com> wrote:
> 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.

x2apic_disabled is variable.

for command line, still use nox2apic for that purpose.

Thanks

Yinghai
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