On Tue, Jan 29, 2013 at 02:08:04PM -0500, a...@redhat.com wrote:
> Currently may_access() is only able to verify if an exception is valid for the
> current cgroup, which has the same behavior. With hierarchy, it'll be also 
> used
> to verify if a cgroup local exception is valid towards its cgroup parent, 
> which
> might have different behavior.
> 
> v2:
> - updated patch description
> - rebased on top of a new patch to expand the may_access() logic to make it
>   more clear
> - fixed argument description order in may_access()
> 
> Cc: Tejun Heo <t...@kernel.org>
> Cc: Serge Hallyn <serge.hal...@canonical.com>
> Signed-off-by: Aristeu Rozanski <a...@redhat.com>
> 
> ---
>  security/device_cgroup.c |   44 +++++++++++++++++++++++++++-----------------
>  1 file changed, 27 insertions(+), 17 deletions(-)
> 
> --- github.orig/security/device_cgroup.c      2013-01-29 11:49:15.514669057 
> -0500
> +++ github/security/device_cgroup.c   2013-01-29 11:49:15.795673240 -0500
> @@ -354,9 +354,11 @@  return 0;
>   *           verify if a certain access is allowed.
>   * @dev_cgroup: dev cgroup to be tested against
>   * @refex: new exception
> + * @behavior: behavior of the exception
>   */
> -static int may_access(struct dev_cgroup *dev_cgroup,
> -                   struct dev_exception_item *refex)
> +static bool may_access(struct dev_cgroup *dev_cgroup,
> +                    struct dev_exception_item *refex,
> +                    enum devcg_behavior behavior)

Probably belongs to the previous patch.  Other than that,

Acked-by: Tejun Heo <t...@kernel.org>

Thanks.

-- 
tejun
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