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author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-11 14:36:25 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-11 14:36:25 +0100 |
commit | a8931ef380c92d121ae74ecfb03b2d63f72eea6f (patch) | |
tree | 980fb6b019e11e6cb1ece55b7faff184721a8053 /Documentation/controllers/devices.txt | |
parent | 90574d0a4d4b73308ae54a2a57a4f3f1fa98e984 (diff) | |
parent | e5a5816f7875207cb0a0a7032e39a4686c5e10a4 (diff) | |
download | kernel_samsung_smdk4412-a8931ef380c92d121ae74ecfb03b2d63f72eea6f.zip kernel_samsung_smdk4412-a8931ef380c92d121ae74ecfb03b2d63f72eea6f.tar.gz kernel_samsung_smdk4412-a8931ef380c92d121ae74ecfb03b2d63f72eea6f.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 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 |