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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>
This commit is contained in:
Brian Vazquez 2020-06-23 09:42:31 -07:00 committed by David S. Miller
parent 13fdc4193c
commit e678e9ddea
1 changed files with 12 additions and 0 deletions
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12
include/linux/indirect_call_wrapper.h
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@ -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