From: "H. Peter Anvin" <hpa@zytor.com>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
WANG Chao <chaowang@redhat.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/4] x86, kdump: Change crashkernel_high/low= to crashkernel=;high/low
Date: Tue, 09 Apr 2013 10:20:01 -0700 [thread overview]
Message-ID: <51644DC1.2030602@zytor.com> (raw)
In-Reply-To: <20130409171203.GA12209@redhat.com>
On 04/09/2013 10:12 AM, Vivek Goyal wrote:
> On Tue, Apr 09, 2013 at 09:49:28AM -0700, H. Peter Anvin wrote:
>> On 04/09/2013 09:47 AM, Vivek Goyal wrote:
>>> On Tue, Apr 09, 2013 at 08:00:57AM -0700, H. Peter Anvin wrote:
>>>> Please, no semicolons. We already have established syntax for suboptions (option=suboption,suboption,...) and suboptions with parameters (option=suboption:value,...)
>>>
>>> Ok, to understand it better, so crashkernel= will look as follows?
>>>
>>> crashkernel=suboption[,suboption[,....]][@offset]
>>>
>>> A suboption can be.
>>>
>>> - A memory value (128[KMG])
>>> - A range with value (range:size)
>>> - Or a property influencing memory allocation behavior (e.g high or low)
>>>
>>> If yes, sounds good.
>>>
>>
>> Sorry, I don't quite grok @offset and range:size here.
>
> And @offset means that reserve memory at a particular offset, if
> available.
>
OK, the @offset should probably be treated as a suboption, with an
implicit/optional comma.
Otherwise, makes sense to me.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2013-04-09 17:20 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-04 22:16 [PATCH -v3 0/4] x86, kdump: Fix crashkernel high with old kexec-tools Yinghai Lu
2013-04-04 22:16 ` [PATCH v3 1/4] x86, kdump: Set crashkernel_low automatically Yinghai Lu
2013-04-08 7:09 ` Dave Young
2013-04-08 18:37 ` Yinghai Lu
2013-04-09 3:25 ` Dave Young
2013-04-09 3:37 ` Yinghai Lu
2013-04-04 22:16 ` [PATCH v3 4/4] kexec: use Crash kernel for Crash kernel low Yinghai Lu
2013-04-04 22:17 ` [PATCH v3 2/4] x86, kdump: Retore crashkernel= to allocate under 896M Yinghai Lu
2013-04-04 22:17 ` [PATCH v3 3/4] x86, kdump: Change crashkernel_high/low= to crashkernel=;high/low Yinghai Lu
2013-04-09 13:45 ` Vivek Goyal
2013-04-09 15:00 ` H. Peter Anvin
2013-04-09 16:47 ` Vivek Goyal
2013-04-09 16:49 ` H. Peter Anvin
2013-04-09 17:00 ` Vivek Goyal
2013-04-09 17:12 ` Vivek Goyal
2013-04-09 17:20 ` H. Peter Anvin [this message]
2013-04-09 20:05 ` Yinghai Lu
2013-04-09 20:24 ` H. Peter Anvin
2013-04-09 20:29 ` Vivek Goyal
2013-04-09 20:33 ` H. Peter Anvin
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