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authorIngo Molnar <mingo@elte.hu>2008-07-06 14:23:39 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-06 14:23:39 +0200
commit68083e05d72d94f347293d8cc0067050ba904bfa (patch)
tree842e71365bd90866be7add181661a4039d891564 /Documentation/controllers/devices.txt
parent7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff)
parentb7279469d66b55119784b8b9529c99c1955fe747 (diff)
downloadop-kernel-dev-68083e05d72d94f347293d8cc0067050ba904bfa.zip
op-kernel-dev-68083e05d72d94f347293d8cc0067050ba904bfa.tar.gz
Merge commit 'v2.6.26-rc9' into cpus4096
Diffstat (limited to 'Documentation/controllers/devices.txt')
-rw-r--r--Documentation/controllers/devices.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/controllers/devices.txt b/Documentation/controllers/devices.txt
index 4dcea42..7cc6e6a 100644
--- a/Documentation/controllers/devices.txt
+++ b/Documentation/controllers/devices.txt
@@ -13,7 +13,7 @@ either an integer or * for all. Access is a composition of r
The root device cgroup starts with rwm to 'all'. A child device
cgroup gets a copy of the parent. Administrators can then remove
devices from the whitelist or add new entries. A child cgroup can
-never receive a device access which is denied its parent. However
+never receive a device access which is denied by its parent. However
when a device access is removed from a parent it will not also be
removed from the child(ren).
@@ -29,7 +29,11 @@ allows cgroup 1 to read and mknod the device usually known as
echo a > /cgroups/1/devices.deny
-will remove the default 'a *:* mrw' entry.
+will remove the default 'a *:* rwm' entry. Doing
+
+ echo a > /cgroups/1/devices.allow
+
+will add the 'a *:* rwm' entry to the whitelist.
3. Security
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