V4L/DVB: ir-common: Use macros to define the keytables

[safe/jmp/linux-2.6] / include / linux / percpu-defs.h

diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 0fa0cb5..68567c0 100644 (file)
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -19,6 +19,16 @@
        __attribute__((section(".discard"), unused))
 
 /*
+ * Macro which verifies @ptr is a percpu pointer without evaluating
+ * @ptr.  This is to be used in percpu accessors to verify that the
+ * input parameter is a percpu pointer.
+ */
+#define __verify_pcpu_ptr(ptr) do {                                    \
+       const void __percpu *__vpp_verify = (typeof(ptr))NULL;          \
+       (void)__vpp_verify;                                             \
+} while (0)
+
+/*
  * s390 and alpha modules require percpu variables to be defined as
  * weak to force the compiler to generate GOT based external
  * references for them.  This is necessary because percpu sections
@@ -129,10 +139,16 @@
        __aligned(PAGE_SIZE)
 
 /*
- * Intermodule exports for per-CPU variables.
+ * Intermodule exports for per-CPU variables.  sparse forgets about
+ * address space across EXPORT_SYMBOL(), change EXPORT_SYMBOL() to
+ * noop if __CHECKER__.
  */
+#ifndef __CHECKER__
 #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(var)
 #define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(var)
-
+#else
+#define EXPORT_PER_CPU_SYMBOL(var)
+#define EXPORT_PER_CPU_SYMBOL_GPL(var)
+#endif
 
 #endif /* _LINUX_PERCPU_DEFS_H */