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selinux: mark some global variables __ro_after_init

All of these are never modified outside initcalls, so they can be
__ro_after_init.

Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Ondrej Mosnacek 2021-01-06 14:26:21 +01:00 committed by Paul Moore
parent db478cd60d
commit cd2bb4cb09
6 changed files with 12 additions and 12 deletions

View File

@ -118,11 +118,11 @@ void avc_set_cache_threshold(struct selinux_avc *avc,
avc->avc_cache_threshold = cache_threshold;
}
static struct avc_callback_node *avc_callbacks;
static struct kmem_cache *avc_node_cachep;
static struct kmem_cache *avc_xperms_data_cachep;
static struct kmem_cache *avc_xperms_decision_cachep;
static struct kmem_cache *avc_xperms_cachep;
static struct avc_callback_node *avc_callbacks __ro_after_init;
static struct kmem_cache *avc_node_cachep __ro_after_init;
static struct kmem_cache *avc_xperms_data_cachep __ro_after_init;
static struct kmem_cache *avc_xperms_decision_cachep __ro_after_init;
static struct kmem_cache *avc_xperms_cachep __ro_after_init;
static inline int avc_hash(u32 ssid, u32 tsid, u16 tclass)
{

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@ -19,7 +19,7 @@
#include "security.h"
static struct sock *selnl;
static struct sock *selnl __ro_after_init;
static int selnl_msglen(int msgtype)
{

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@ -2204,8 +2204,8 @@ static struct file_system_type sel_fs_type = {
.kill_sb = sel_kill_sb,
};
static struct vfsmount *selinuxfs_mount;
struct path selinux_null;
static struct vfsmount *selinuxfs_mount __ro_after_init;
struct path selinux_null __ro_after_init;
static int __init init_sel_fs(void)
{

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@ -23,8 +23,8 @@
#include "avtab.h"
#include "policydb.h"
static struct kmem_cache *avtab_node_cachep;
static struct kmem_cache *avtab_xperms_cachep;
static struct kmem_cache *avtab_node_cachep __ro_after_init;
static struct kmem_cache *avtab_xperms_cachep __ro_after_init;
/* Based on MurmurHash3, written by Austin Appleby and placed in the
* public domain.

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@ -26,7 +26,7 @@
#define BITS_PER_U64 (sizeof(u64) * 8)
static struct kmem_cache *ebitmap_node_cachep;
static struct kmem_cache *ebitmap_node_cachep __ro_after_init;
int ebitmap_cmp(struct ebitmap *e1, struct ebitmap *e2)
{

View File

@ -9,7 +9,7 @@
#include <linux/errno.h>
#include "hashtab.h"
static struct kmem_cache *hashtab_node_cachep;
static struct kmem_cache *hashtab_node_cachep __ro_after_init;
/*
* Here we simply round the number of elements up to the nearest power of two.