Re: [PATCH] Trace event for capable().

From: richard -rw- weinberger
Date: Fri May 18 2012 - 18:33:15 EST


On Thu, May 17, 2012 at 9:50 PM, Auke Kok <auke-jan.h.kok@xxxxxxxxx> wrote:
> Add a simple trace event for capable().
>
> There's been a lot of discussion around capable(), and there
> are plenty of tools to help reduce capabilities' usage from
> userspace. A major gap however is that it's almost impossible
> to see or verify which bits are requested from either userspace
> or in the kernel.
>
> This patch adds a minimal tracer that will print out which
> CAPs are requested and whether the request was granted.

Can we please have support for user namespaces?
At least idicate whether the current namespace is init_user_ns or not.

--
Thanks,
//richard
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