CRED: Separate task security context from task_struct

[firefly-linux-kernel-4.4.55.git] / include / linux / init_task.h

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 23fd8909b9e52c143faf401030e8d282c559baeb..9de41ccd67b5f38fe347e640078714e18a59c245 100644 (file)
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -113,6 +113,21 @@ extern struct group_info init_groups;
 # define CAP_INIT_BSET  CAP_INIT_EFF_SET
 #endif
 
+extern struct cred init_cred;
+
+#define INIT_CRED(p)                                           \
+{                                                              \
+       .usage                  = ATOMIC_INIT(3),               \
+       .securebits             = SECUREBITS_DEFAULT,           \
+       .cap_inheritable        = CAP_INIT_INH_SET,             \
+       .cap_permitted          = CAP_FULL_SET,                 \
+       .cap_effective          = CAP_INIT_EFF_SET,             \
+       .cap_bset               = CAP_INIT_BSET,                \
+       .user                   = INIT_USER,                    \
+       .group_info             = &init_groups,                 \
+       .lock                   = __SPIN_LOCK_UNLOCKED(p.lock), \
+}
+
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -147,13 +162,8 @@ extern struct group_info init_groups;
        .children       = LIST_HEAD_INIT(tsk.children),                 \
        .sibling        = LIST_HEAD_INIT(tsk.sibling),                  \
        .group_leader   = &tsk,                                         \
-       .group_info     = &init_groups,                                 \
-       .cap_effective  = CAP_INIT_EFF_SET,                             \
-       .cap_inheritable = CAP_INIT_INH_SET,                            \
-       .cap_permitted  = CAP_FULL_SET,                                 \
-       .cap_bset       = CAP_INIT_BSET,                                \
-       .securebits     = SECUREBITS_DEFAULT,                           \
-       .user           = INIT_USER,                                    \
+       .__temp_cred    = INIT_CRED(tsk.__temp_cred),                   \
+       .cred           = &tsk.__temp_cred,                             \
        .comm           = "swapper",                                    \
        .thread         = INIT_THREAD,                                  \
        .fs             = &init_fs,                                     \