1 files changed, 23 insertions, 1 deletions

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 04fb5135b4e1..a5a472b10746 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -5,7 +5,7 @@
 
 #ifdef __CHECKER__
 # define __user         __attribute__((noderef, address_space(1)))
-# define __kernel       /* default address space */
+# define __kernel       __attribute__((address_space(0)))
 # define __safe         __attribute__((safe))
 # define __force        __attribute__((force))
 # define __nocast       __attribute__((nocast))
@@ -15,6 +15,7 @@
 # define __acquire(x)   __context__(x,1)
 # define __release(x)   __context__(x,-1)
 # define __cond_lock(x,c)       ((c) ? ({ __acquire(x); 1; }) : 0)
+# define __percpu       __attribute__((noderef, address_space(3)))
 extern void __chk_user_ptr(const volatile void __user *);
 extern void __chk_io_ptr(const volatile void __iomem *);
 #else
@@ -32,6 +33,7 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 # define __acquire(x) (void)0
 # define __release(x) (void)0
 # define __cond_lock(x,c) (c)
+# define __percpu
 #endif
 
 #ifdef __KERNEL__
@@ -144,6 +146,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define barrier() __memory_barrier()
 #endif
 
+/* Unreachable code */
+#ifndef unreachable
+# define unreachable() do { } while (1)
+#endif
+
 #ifndef RELOC_HIDE
 # define RELOC_HIDE(ptr, off)                                   \
   ({ unsigned long __ptr;                                       \
@@ -213,6 +220,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define __maybe_unused         /* unimplemented */
 #endif
 
+#ifndef __always_unused
+# define __always_unused        /* unimplemented */
+#endif
+
 #ifndef noinline
 #define noinline
 #endif
@@ -266,6 +277,17 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
 #endif
 
+/* Compile time object size, -1 for unknown */
+#ifndef __compiletime_object_size
+# define __compiletime_object_size(obj) -1
+#endif
+#ifndef __compiletime_warning
+# define __compiletime_warning(message)
+#endif
+#ifndef __compiletime_error
+# define __compiletime_error(message)
+#endif
+
 /*
  * Prevent the compiler from merging or refetching accesses.  The compiler
  * is also forbidden from reordering successive instances of ACCESS_ONCE(),