From mboxrd@z Thu Jan  1 00:00:00 1970
From: arisawa <arisawa@ar.aichi-u.ac.jp>
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Message-Id: <491F5E4C-E68D-44A5-81A5-1C6BC5E8DC96@ar.aichi-u.ac.jp>
Date: Tue,  1 Dec 2015 12:24:58 +0900
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: [9fans] unmount
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Hello 9fans,

current kernel allows unmount even if after rfork m.
this feature makes sandboxing difficult.
can anyone explain this feature is necessary?

Kenji Arisawa