indirect_call_wrapper: extend indirect wrapper to support up to 4 calls

There are many places where 2 annotations are not enough. This patch
adds INDIRECT_CALL_3 and INDIRECT_CALL_4 to cover such cases.

Signed-off-by: Brian Vazquez <brianvv@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/indirect_call_wrapper.h b/include/linux/indirect_call_wrapper.h
index 00d7e8e..54c02c8 100644 (file)
--- a/include/linux/indirect_call_wrapper.h
+++ b/include/linux/indirect_call_wrapper.h
@@ -23,6 +23,16 @@
                likely(f == f2) ? f2(__VA_ARGS__) :                     \
                                  INDIRECT_CALL_1(f, f1, __VA_ARGS__);  \
        })
+#define INDIRECT_CALL_3(f, f3, f2, f1, ...)                                    \
+       ({                                                                      \
+               likely(f == f3) ? f3(__VA_ARGS__) :                             \
+                                 INDIRECT_CALL_2(f, f2, f1, __VA_ARGS__);      \
+       })
+#define INDIRECT_CALL_4(f, f4, f3, f2, f1, ...)                                        \
+       ({                                                                      \
+               likely(f == f4) ? f4(__VA_ARGS__) :                             \
+                                 INDIRECT_CALL_3(f, f3, f2, f1, __VA_ARGS__);  \
+       })
 
 #define INDIRECT_CALLABLE_DECLARE(f)   f
 #define INDIRECT_CALLABLE_SCOPE
@@ -30,6 +40,8 @@
 #else
 #define INDIRECT_CALL_1(f, f1, ...) f(__VA_ARGS__)
 #define INDIRECT_CALL_2(f, f2, f1, ...) f(__VA_ARGS__)
+#define INDIRECT_CALL_3(f, f3, f2, f1, ...) f(__VA_ARGS__)
+#define INDIRECT_CALL_4(f, f4, f3, f2, f1, ...) f(__VA_ARGS__)
 #define INDIRECT_CALLABLE_DECLARE(f)
 #define INDIRECT_CALLABLE_SCOPE                static
 #endif