linux-kernel - Re: [PATCH part5 0/7] Arrange hotpluggable memory as ZONE

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Message-ID: <520BF3E3.5030006@gmail.com>
Date:	Wed, 14 Aug 2013 17:17:23 -0400
From:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
To:	Tejun Heo <tj@...nel.org>
CC:	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	Tang Chen <imtangchen@...il.com>,
	Tang Chen <tangchen@...fujitsu.com>, robert.moore@...el.com,
	lv.zheng@...el.com, rjw@...k.pl, lenb@...nel.org,
	tglx@...utronix.de, mingo@...e.hu, hpa@...or.com,
	akpm@...ux-foundation.org, trenn@...e.de, yinghai@...nel.org,
	jiang.liu@...wei.com, wency@...fujitsu.com, laijs@...fujitsu.com,
	isimatu.yasuaki@...fujitsu.com, izumi.taku@...fujitsu.com,
	mgorman@...e.de, minchan@...nel.org, mina86@...a86.com,
	gong.chen@...ux.intel.com, vasilis.liaskovitis@...fitbricks.com,
	lwoodman@...hat.com, riel@...hat.com, jweiner@...hat.com,
	prarit@...hat.com, zhangyanfei@...fujitsu.com,
	yanghy@...fujitsu.com, x86@...nel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE.

(8/14/13 4:35 PM), Tejun Heo wrote:
> On Wed, Aug 14, 2013 at 04:29:05PM -0400, KOSAKI Motohiro wrote:
>> Because boot failure have no chance to overlook and better way for practice.
>
> That's an extremely poor excuse.  We favor WARNs over BUGs for good
> reasons.  If a sysadmin cares about hotplug and can't deal with the
> system successfully booting, it's *trivial* to make the system behave
> in a way which has no chance of being overlooked.  What's next?
> Panicking if somebody echoes invalid value to an important knob file?
> We sure don't want that to be overlooked either, right?
>
> This discussion is so dumb.  Please stop.

You haven't explain practical benefit of your opinion. As far as users have
no benefit, I'm never agree. Sorry.

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