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authorDmitry Torokhov <dtor@chromium.org>2016-10-06 15:53:38 -0700
committerMister Oyster <oysterized@gmail.com>2017-09-30 15:36:12 +0200
commitb27b15551563f102db2d56cb4f716a1fae260e69 (patch)
treed86919b2f12d84b8e860c8d58e1933ae03fa91cb /Documentation
parent7694623a1eb0af6225cf3c9f8f4d1cdc27c668fc (diff)
CHROMIUM: remove Android's cgroup generic permissions checks
The implementation is utterly broken, resulting in all processes being allows to move tasks between sets (as long as they have access to the "tasks" attribute), and upstream is heading towards checking only capability anyway, so let's get rid of this code. BUG=b:31790445,chromium:647994 TEST=Boot android container, examine logcat Change-Id: I2f780a5992c34e52a8f2d0b3557fc9d490da2779 Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/394967 Reviewed-by: Ricky Zhou <rickyz@chromium.org> Reviewed-by: John Stultz <john.stultz@linaro.org> (cherry picked from commit 6895149f8bf0719aa70487e285fa6a8ad3d2692d) Reviewed-on: https://chromium-review.googlesource.com/399858 Reviewed-by: Guenter Roeck <groeck@chromium.org> Signed-off-by: Mister Oyster <oysterized@gmail.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cgroups/cgroups.txt9
1 files changed, 0 insertions, 9 deletions
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt
index 61dc0ec5c..638bf17ff 100644
--- a/Documentation/cgroups/cgroups.txt
+++ b/Documentation/cgroups/cgroups.txt
@@ -598,15 +598,6 @@ is completely unused; @cgrp->parent is still valid. (Note - can also
be called for a newly-created cgroup if an error occurs after this
subsystem's create() method has been called for the new cgroup).
-int allow_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
-(cgroup_mutex held by caller)
-
-Called prior to moving a task into a cgroup; if the subsystem
-returns an error, this will abort the attach operation. Used
-to extend the permission checks - if all subsystems in a cgroup
-return 0, the attach will be allowed to proceed, even if the
-default permission check (root or same user) fails.
-
int can_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
(cgroup_mutex held by caller)