From: Stewart Smith <stewart@linux.ibm.com>
To: Jordan Niethe <jniethe5@gmail.com>, linuxppc-dev@lists.ozlabs.org
Cc: Jordan Niethe <jniethe5@gmail.com>
Subject: Re: [PATCH] powerpc/powernv: Make opal log only readable by root
Date: Wed, 27 Feb 2019 14:59:32 +1100 [thread overview]
Message-ID: <87ef7tubiz.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <20190227030229.12814-1-jniethe5@gmail.com>
Jordan Niethe <jniethe5@gmail.com> writes:
> Currently the opal log is globally readable. It is kernel policy to limit
> the visibility of physical addresses / kernel pointers to root.
> Given this and the fact the opal log may contain this information it would
> be better to limit the readability to root.
>
> Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Yeah, this is a really good idea.
Reviewed-by: Stewart Smith <stewart@linux.ibm.com>
--
Stewart Smith
OPAL Architect, IBM.
next prev parent reply other threads:[~2019-02-27 4:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-27 3:02 [PATCH] powerpc/powernv: Make opal log only readable by root Jordan Niethe
2019-02-27 3:59 ` Stewart Smith [this message]
2019-02-27 4:17 ` Andrew Donnellan
2019-02-27 11:54 ` Michael Ellerman
2019-02-28 9:21 ` Michael Ellerman
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