linux-kernel - Re: [PATCH] x86: do_boot_cpu - add check if we have ESR register

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Message-ID: <86802c440809220257q4e1b4c81o534c957d919a6b3c@mail.gmail.com>
Date:	Mon, 22 Sep 2008 02:57:17 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Cyrill Gorcunov" <gorcunov@...il.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: do_boot_cpu - add check if we have ESR register

>
> Actually it's resend of the patch. On previous attempt
> Yinghai was proposed to choose:
>
>> one apic_version or boot_cpu_apic_version could be enough
>
> but I think it should be different patch which does cleaning
> up variables usage. So for now I think _this_ patch is enough
> since idea is to prevent of touching nonexistant register rather
> code cleaning (whci could be done later).

do we have systems that have mixed cpu supported with different apic version?

YH
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