Re: [PATCH v3 3/4] x86, kdump: Change crashkernel_high/low= to crashkernel=;high/low

From: H. Peter Anvin
Date: Tue Apr 09 2013 - 16:33:53 EST

On 04/09/2013 01:29 PM, Vivek Goyal wrote:
> On Tue, Apr 09, 2013 at 01:24:46PM -0700, H. Peter Anvin wrote:
>> On 04/09/2013 01:05 PM, Yinghai Lu wrote:
>>>> So crashkernel=X@Y;high is a valid syntax? Looks like we will reserve
>>>> X amount of RAM at base Y and ignore "high" or "low".
>>> yes, we should reject them.
>> What if there isn't X amount of RAM available at base Y?
> We don't reserve anything.
> In this context crashkernel=X@Y,high is invalid syntax and should probably
> be ignored by parser. The very fact user specified the offset, high or
> low option does not carry any meaning.
> crashkernel=X,high is valid though.

Yes, if the offset being invalid is an error, that is the right
behavior, I would think.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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