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Date: Tue, 6 Jun 2017 23:36:07 +0900
From: Tetsuo Handa <>
Subject: Re: [PATCH 4/5] Make LSM Writable Hooks a command line option

Igor Stoppa wrote:
> For the case at hand, would it work if there was a non-API call that you
> could use until the API is properly expanded?

Kernel command line switching (i.e. this patch) is fine for my use cases.

SELinux folks might want

-static int security_debug;

so that those who are using SELINUX=disabled in /etc/selinux/config won't
get oops upon boot by default. If "unlock the pool" were available,
SELINUX=enforcing users would be happy. Maybe two modes for rw/ro transition helps.

  oneway rw -> ro transition mode: can't be made rw again by calling "unlock the pool" API
  twoway rw <-> ro transition mode: can be made rw again by calling "unlock the pool" API

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