From: Eric W. Biederman <ebiederm@xmission.com>
Date: Wed, 8 Feb 2012 00:54:11 +0000 (-0800)
Subject: userns: Convert ipc to use kuid and kgid where appropriate
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~49^2~78
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1efdb69b0bb41dec8ee3e2cac0a0f167837d0919;p=pandora-kernel.git

userns: Convert ipc to use kuid and kgid where appropriate

- Store the ipc owner and creator with a kuid
- Store the ipc group and the crators group with a kgid.
- Add error handling to ipc_update_perms, allowing it to
  fail if the uids and gids can not be converted to kuids
  or kgids.
- Modify the proc files to display the ipc creator and
  owner in the user namespace of the opener of the proc file.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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