linux-kernel - Re: [PATCH] x86: add X86_UPDATE

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Message-Id: <200905180941.06988.bjorn.helgaas@hp.com>
Date:	Mon, 18 May 2009 09:41:05 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH] x86: add X86_UPDATE_MPTABLE option

On Saturday 16 May 2009 10:44:59 am Yinghai Lu wrote:

> +config X86_UPDATE_MPTABLE
> +	bool "Enable update mptable according to acpi" if ACPI
> +	default n
> +	depends on X86_MPPARSE && ACPI

Is this any use without CONFIG_KEXEC?  Maybe it should depend on
KEXEC as well?  Or maybe we don't need a new option at all, and
could just put this code under CONFIG_KEXEC directly.

> +	---help---
> +	  some systems do not have correct mptable. with "update_mptable" or
> +	  "alloc_mptable" kernel could try to update mptable according to DSDT.
> +	  Then could use kexec to start second kernel (even old) without acpi
> +	  support or "acpi=off"

Please use English conventions such as starting sentences with capital
letters and capitalizing thing like "ACPI."

Bjorn
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