linux-kernel - Re: [PATCH] kexec: use Crash kernel for Crash kernel low

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Message-ID: <CAE9FiQXwy8nLRQAiZ+P56fokisUXAmTJWA07TZ-gSH61K5FQLA@mail.gmail.com>
Date:	Mon, 1 Apr 2013 15:40:51 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Vivek Goyal <vgoyal@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, WANG Chao <chaowang@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kexec: use Crash kernel for Crash kernel low

On Mon, Apr 1, 2013 at 3:20 PM, H. Peter Anvin <hpa@...or.com> wrote:
> On 04/01/2013 03:17 PM, Yinghai Lu wrote:
>>
>> And his last suggestion is just as his old second suggestion.
>>
>> I just check the code again, it looks it is easy to change it to support:
>> 1. crashkernel=XM
>> 2. crashkernel_high=XM
>> 3. crashkernel_high=XM crashkernel_low=YM
>>
>
> Yes... my objections that you are giving the user the headache of
> dealing with this very much remains, but I don't think we have any good
> options.  However, the <size>,<options>.... syntax is at least
> extensible, which the above syntax is not.

ok, will check crashkernel=XM,high
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