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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Subject: Re: [PATCH] coredump_filter: enable to change the default filter
Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton <akpm@linux-foundation.org>,
       linux-kernel@vger.kernel.org, roland@redhat.com,
       sugita <yumiko.sugita.yf@hitachi.com>,
       Satoshi OSHIMA <satoshi.oshima.fk@hitachi.com>
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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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