linux-kernel - Re: [PATCH] coredump_filter: enable to change the default filter

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Message-Id: <20081211154349.5000.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Thu, 11 Dec 2008 15:46:49 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, roland@...hat.com,
	sugita <yumiko.sugita.yf@...achi.com>,
	Satoshi OSHIMA <satoshi.oshima.fk@...achi.com>
Subject: Re: [PATCH] coredump_filter: enable to change the default filter

Hi

> This patch introduces new kernel parameter `coredump_filter'.
> Setting a value to this parameter causes the default bitmask
> of coredump_filter to be changed.
> 
> It is useful for users to change coredump_filter settings for
> the whole system at boot time.  Without this parameter, users
> have to change coredump_filter settings for each /proc/<pid>/
> in an initializing script.

I think this patch only useful on following situation, right?

  - Administrator can't change rc script.
  - Administrator can change boot parameter.


When happen above situation?
or, you intent to init process debugging?


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