linux-kernel - Re: [Patch] acpi: introduce "acpi

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Message-ID: <m1lj06zc4u.fsf@fess.ebiederm.org>
Date:	Tue, 22 Mar 2011 21:36:33 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Len Brown <lenb@...nel.org>
Cc:	Cong Wang <amwang@...hat.com>, Randy Dunlap <rdunlap@...otime.net>,
	linux-kernel@...r.kernel.org, Takao Indoh <tindoh@...hat.com>,
	Vivek Goyal <vgoyal@...hat.com>, linux-doc@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [Patch] acpi: introduce "acpi_addr=" parameter for kdump

Len Brown <lenb@...nel.org> writes:

> On Mon, 21 Mar 2011, Cong Wang wrote:
>
>> 于 2011年03月11日 00:26, Randy Dunlap 写道:
>> > On Thu, 10 Mar 2011 22:10:43 +0800 Amerigo Wang wrote:
>> > > +	acpi_addr=	[ACPI,EFI]
>> > > +			Pass the RSDP address to the kernel, mostly used
>> > > +			on machines running EFI runtime service to boot the
>> > > +			second kernel for kdump.
>> > > +
>> > 
>> > I think that "acpi_addr" is a bit too generic.  How about
>> > acpi_rsdp or acpi_root instead?
>> > 
>> 
>> Yup, I agree "acpi_rsdp" is better.
>
> This should also be [KEXEC], and the code should be #ifdef CONFIG_KEXEC
> so that sane people can exclude it from their kernels.

So far sane people don't use EFI on x86 so that is easy enough.

Eric
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