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Add support for GCC-4.5's __builtin_unreachable() to compiler.h (v2)
[sfrench/cifs-2.6.git]
/
include
/
linux
/
compiler.h
diff --git
a/include/linux/compiler.h
b/include/linux/compiler.h
index 04fb5135b4e16eea28e3e847d2ed36c01c78a88a..59f208926d1369f7546df9cc3d5de2b0e11e3a80 100644
(file)
--- a/
include/linux/compiler.h
+++ b/
include/linux/compiler.h
@@
-144,6
+144,11
@@
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; \