linux-kernel - Re: [PATCH v2 17/23] kmsg_dumper: Introduce a new 'SOFT' dump reason

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Message-Id: <20101109145540.BC72.A69D9226@jp.fujitsu.com>
Date:	Tue,  9 Nov 2010 14:54:52 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	kosaki.motohiro@...fujitsu.com, Mike Waychison <mikew@...gle.com>,
	simon.kagstrom@...insight.net, davem@...emloft.net,
	nhorman@...driver.com, Matt Mackall <mpm@...enic.com>,
	adurbin@...gle.com, linux-kernel@...r.kernel.org,
	chavey@...gle.com, Greg KH <greg@...ah.com>,
	Americo Wang <xiyou.wangcong@...il.com>,
	akpm@...ux-foundation.org, linux-api@...r.kernel.org
Subject: Re: [PATCH v2 17/23] kmsg_dumper: Introduce a new 'SOFT' dump reason

> Hi
> 
> > It is a useful to be able to exercise kmsg_dumper implementations without
> > requiring a kernel oops or panic.  This commit adds a new reason called
> > KMSG_DUMP_SOFT, which signifies that the system isn't really going down.
> > 
> > This logic is used in a later commit that introduces the netoops driver.
> > 
> > Signed-off-by: Mike Waychison <mikew@...gle.com>
> > ---
> > 
> > It is also possible that we not introduce KMSG_DUMP_SOFT, and simply overload
> > the existing KMSG_DUMP_OOPS reason, but I figured that this would be cleaner.
> > 
> > TODO: Make sure mtdoops and ramoops do something useful with this flag?
> 
> Yes. If userland explicitly want to log, we have no reason to refuse it. :)

I meant I think your change has no problem.




> But, I don't think KMSG_DUMP_SOFT is good name because _SOFT don't explain
> anything.



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