diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-31 12:43:41 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-31 12:43:41 -0400 |
commit | 85e9ca333d03fbd56b9e123c8456f0d98e20faad (patch) | |
tree | 7bb15ada5f536950efa23ad60ea9eea60380ca1c /Documentation/controllers/devices.txt | |
parent | a300bec952127d9a15e666b391bb35c9aecb3002 (diff) | |
parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) |
Merge branch 'linus' into timers/hpet
Diffstat (limited to 'Documentation/controllers/devices.txt')
-rw-r--r-- | Documentation/controllers/devices.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/controllers/devices.txt b/Documentation/controllers/devices.txt index 4dcea42432c..7cc6e6a6067 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 | |||
13 | The root device cgroup starts with rwm to 'all'. A child device | 13 | The root device cgroup starts with rwm to 'all'. A child device |
14 | cgroup gets a copy of the parent. Administrators can then remove | 14 | cgroup gets a copy of the parent. Administrators can then remove |
15 | devices from the whitelist or add new entries. A child cgroup can | 15 | devices from the whitelist or add new entries. A child cgroup can |
16 | never receive a device access which is denied its parent. However | 16 | never receive a device access which is denied by its parent. However |
17 | when a device access is removed from a parent it will not also be | 17 | when a device access is removed from a parent it will not also be |
18 | removed from the child(ren). | 18 | removed from the child(ren). |
19 | 19 | ||
@@ -29,7 +29,11 @@ allows cgroup 1 to read and mknod the device usually known as | |||
29 | 29 | ||
30 | echo a > /cgroups/1/devices.deny | 30 | echo a > /cgroups/1/devices.deny |
31 | 31 | ||
32 | will remove the default 'a *:* mrw' entry. | 32 | will remove the default 'a *:* rwm' entry. Doing |
33 | |||
34 | echo a > /cgroups/1/devices.allow | ||
35 | |||
36 | will add the 'a *:* rwm' entry to the whitelist. | ||
33 | 37 | ||
34 | 3. Security | 38 | 3. Security |
35 | 39 | ||