mm/pkeys: Add an empty arch_pkeys_enabled()

Add an empty arch_pkeys_enabled() in linux/pkeys.h for the CONFIG_ARCH_HAS_PKEYS=n case. Split out of a patch by Ram Pai <linuxram@us.ibm.com>. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Dave Hansen <dave.hansen@intel.com>
mariux64 · May 9, 2018 · 4414ef9 · 4414ef9
1 parent 3f36c94
commit 4414ef9
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h
@@ -39,6 +39,11 @@ static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
 	return 0;
 }
 
+static inline bool arch_pkeys_enabled(void)
+{
+	return false;
+}
+
 static inline void copy_init_pkru_to_fpregs(void)
 {
 }