Re: A Plumber???s Wish List for Linux

[Andrew G. Morgan]

The benefit of Kai Gai's patch was that it exported the actual names
of the capabilities rather than have them only stored in libcap.

It is possible to use CAP_IS_SUPPORTED(cap) (in libcap-2.21) to figure
out the maximum capability supported by the running kernel.

  https://sites.google.com/site/fullycapable/release-notes-for-libcap

Cheers

Andrew

On Tue, Oct 11, 2011 at 6:14 AM, Serge E. Hallyn <serge@xxxxxxxxxx> wrote:
>
> Unfortunately I'd deleted the early part of this thread before noticing
> the mention on lwn+lkml.org, but fwiw detection of the last supported
> capability has been brought up before (with patchsets floated (By KaiGai
> I'm pretty sure) which exported the list of capabilities through /sys or
> /security), and I agree it's something we need.
>
> -serge
>
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