xen/mmu: Add workaround "x86-64, mm: Put early page table high"

[~andy/linux] / kernel / cred.c

diff --git a/kernel/cred.c b/kernel/cred.c
index 3a9d6dd53a6cd79696fe88784d27fe3c07c27aaf..5557b55048df1a35fff09933a274c9a5e32b7084 100644 (file)
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -35,7 +35,7 @@ static struct kmem_cache *cred_jar;
 static struct thread_group_cred init_tgcred = {
        .usage  = ATOMIC_INIT(2),
        .tgid   = 0,
-       .lock   = SPIN_LOCK_UNLOCKED,
+       .lock   = __SPIN_LOCK_UNLOCKED(init_cred.tgcred.lock),
 };
 #endif
 
@@ -741,6 +741,12 @@ int set_create_files_as(struct cred *new, struct inode *inode)
 }
 EXPORT_SYMBOL(set_create_files_as);
 
+struct user_namespace *current_user_ns(void)
+{
+       return _current_user_ns();
+}
+EXPORT_SYMBOL(current_user_ns);
+
 #ifdef CONFIG_DEBUG_CREDENTIALS
 
 bool creds_are_invalid(const struct cred *cred)