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| author | Serge E. Hallyn <serue@us.ibm.com> | 2008-12-08 22:52:21 +0100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-12-08 23:25:53 +0100 |
| commit | 94d6a5f7341ebaff53d4e41cc81fab37f0d9fbed (patch) | |
| tree | 07b4a016a50f1cc42c6295ec387a26d1a4481381 /kernel/user.c | |
| parent | user namespaces: require cap_set{ug}id for CLONE_NEWUSER (diff) | |
| download | linux-94d6a5f7341ebaff53d4e41cc81fab37f0d9fbed.tar.xz linux-94d6a5f7341ebaff53d4e41cc81fab37f0d9fbed.zip | |
user namespaces: document CFS behavior
Documented the currently bogus state of support for CFS user groups with
user namespaces. In particular, all users in a user namespace should be
children of the user which created the user namespace. This is yet to
be implemented.
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Acked-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/user.c')
| -rw-r--r-- | kernel/user.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/user.c b/kernel/user.c index 6c924bc48c08..6608a3d8ca61 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -239,7 +239,13 @@ static struct kobj_type uids_ktype = { .release = uids_release, }; -/* create /sys/kernel/uids/<uid>/cpu_share file for this user */ +/* + * Create /sys/kernel/uids/<uid>/cpu_share file for this user + * We do not create this file for users in a user namespace (until + * sysfs tagging is implemented). + * + * See Documentation/scheduler/sched-design-CFS.txt for ramifications. + */ static int uids_user_create(struct user_struct *up) { struct kobject *kobj = &up->kobj; |