linux-kernel - Re: [RESEND PATCH v5 3.16-rc4 0/8] kdb: Allow selective reduction in capabilities

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Message-ID: <53BFE3C8.700@windriver.com>
Date:	Fri, 11 Jul 2014 08:16:56 -0500
From:	Jason Wessel <jason.wessel@...driver.com>
To:	Daniel Thompson <daniel.thompson@...aro.org>
CC:	<patches@...aro.org>, <linaro-kernel@...ts.linaro.org>,
	<linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	John Stultz <john.stultz@...aro.org>,
	Anton Vorontsov <anton.vorontsov@...aro.org>,
	Colin Cross <ccross@...roid.com>, <kernel-team@...roid.com>,
	<kgdb-bugreport@...ts.sourceforge.net>
Subject: Re: [RESEND PATCH v5 3.16-rc4 0/8] kdb: Allow selective reduction
 in capabilities

On 07/11/2014 06:33 AM, Daniel Thompson wrote:
> This patchset implements restricted modes for the KDB debugger. It is a
> continuation of previous work of Anton Vorontsov. There are no
> outstanding review comments for this patchset.
>
> It provides a means for the root user to choose the set of kdb commands
> that are available on the kdb console. It is implemented similarly to
> the existing code to mask the available magic SysRq commands with modes
> for disable-all (0), enable-all(1) and a bitmask to enable/disable
> groups of functionality.
>
> The implementation of the mask check includes a feature to allow a
> command to change which group it belongs to based on whether or not the
> command has arguments (for example, go without arguments is a very safe
> command whilst go with an argument allows arbitrary changes to the
> program counter).
>
> There are a few patches, some are just cleanups, some are churn-ish
> cleanups, but inevitable. And the rest implements the mode -- after all
> the preparations, everything is pretty straightforward.

I plan to take one more walk through the code and aim to get this merged for the upcoming merge window.  :-)

Cheers,
Jason.

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