From: Randy Dunlap <rdunlap@infradead.org>
To: Peter Enderborg <peter.enderborg@sony.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org,
"Rafael J . Wysocki" <rafael@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
linux-doc@vger.kernel.org
Subject: Re: [PATCH v3] debugfs: Add access restriction option
Date: Wed, 17 Jun 2020 08:10:26 -0700 [thread overview]
Message-ID: <d6f02bd5-e92d-017b-9ac2-ffdcb4381c97@infradead.org> (raw)
In-Reply-To: <20200617133738.6631-1-peter.enderborg@sony.com>
On 6/17/20 6:37 AM, Peter Enderborg wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index fb95fad81c79..249c86e53bb7 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -827,6 +827,17 @@
> useful to also enable the page_owner functionality.
> on: enable the feature
>
> + debugfs= [KNL] When CONFIG_DEBUG_FS_RESTRICTED is set, this parameter
> + enables what is exposed to userspace.
> + Format: { on, no_fs, off }
> + on: All functions are enabled.
> + no_fs: Filesystem is not registered but kernel clients can
> + access APIs and a crashkernel can be used to read
> + it's content. There its nothing to mount.
its content. There is nothing to mount.
> + off: (default) Filesystem is not registered and clients
> + get a -EPERM as result when trying to register files
> + or directories within debugfs.
> +
> debugpat [X86] Enable PAT debugging
>
> decnet.addr= [HW,NET]
--
~Randy
next prev parent reply other threads:[~2020-06-17 15:10 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-17 13:37 [PATCH v3] debugfs: Add access restriction option Peter Enderborg
2020-06-17 14:15 ` Greg Kroah-Hartman
2020-06-17 14:39 ` Enderborg, Peter
2020-06-17 15:10 ` Randy Dunlap [this message]
2020-06-22 8:30 ` [PATCH v4 0/2] " Peter Enderborg
2020-06-22 8:30 ` [PATCH 1/2] tracefs: Remove unnecessary debug_fs checks Peter Enderborg
2020-06-22 9:18 ` Greg Kroah-Hartman
2020-06-22 13:47 ` Steven Rostedt
2020-06-22 8:30 ` [PATCH 2/2] debugfs: Add access restriction option Peter Enderborg
2020-07-10 13:06 ` Greg Kroah-Hartman
2020-07-15 8:42 ` [PATCH v5 0/2] " Peter Enderborg
2020-07-15 8:42 ` [PATCH 1/2] tracefs: Remove unnecessary debug_fs checks Peter Enderborg
2020-07-15 8:42 ` [PATCH 2/2] debugfs: Add access restriction option Peter Enderborg
2020-07-15 9:39 ` Greg Kroah-Hartman
2020-07-15 10:03 ` Enderborg, Peter
2020-07-15 10:35 ` Greg Kroah-Hartman
2020-07-15 10:59 ` Enderborg, Peter
2020-07-21 6:47 ` Enderborg, Peter
2020-07-15 15:25 ` [PATCH v6 0/2] " Peter Enderborg
2020-07-15 15:25 ` [PATCH 1/2] tracefs: Remove unnecessary debug_fs checks Peter Enderborg
2020-07-15 15:25 ` [PATCH 2/2] debugfs: Add access restriction option Peter Enderborg
2020-07-16 3:30 ` Randy Dunlap
2020-07-16 4:54 ` [PATCH v7 0/2] " Peter Enderborg
2020-07-16 4:54 ` [PATCH 1/2] tracefs: Remove unnecessary debug_fs checks Peter Enderborg
2020-07-16 4:54 ` [PATCH 2/2] debugfs: Add access restriction option Peter Enderborg
2020-07-16 5:12 ` Randy Dunlap
2020-07-16 7:15 ` [PATCH v8 0/2] " Peter Enderborg
2020-07-16 7:15 ` [PATCH 1/2] tracefs: Remove unnecessary debug_fs checks Peter Enderborg
2020-07-16 7:15 ` [PATCH 2/2] debugfs: Add access restriction option Peter Enderborg
2020-07-16 15:26 ` Randy Dunlap
2020-07-23 15:11 ` [PATCH v8 0/2] " Greg Kroah-Hartman
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