forked from Minki/linux
tracepoint: Use __used attribute definitions from compiler_attributes.h
Just a small cleanup while I was touching this header. compiler_attributes.h does feature detection of these __attributes__(()) and provides more concise ways to invoke them. Link: https://lkml.kernel.org/r/20200730224555.2142154-3-ndesaulniers@google.com Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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@ -116,8 +116,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
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#define __TRACEPOINT_ENTRY(name) \
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static tracepoint_ptr_t __tracepoint_ptr_##name __used \
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__attribute__((section("__tracepoints_ptrs"))) = \
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&__tracepoint_##name
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__section(__tracepoints_ptrs) = &__tracepoint_##name
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#endif
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#endif /* _LINUX_TRACEPOINT_H */
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@ -280,9 +279,9 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
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*/
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#define DEFINE_TRACE_FN(name, reg, unreg) \
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static const char __tpstrtab_##name[] \
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__attribute__((section("__tracepoints_strings"))) = #name; \
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struct tracepoint __tracepoint_##name \
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__attribute__((section("__tracepoints"), used)) = \
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__section(__tracepoints_strings) = #name; \
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struct tracepoint __tracepoint_##name __used \
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__section(__tracepoints) = \
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{ __tpstrtab_##name, STATIC_KEY_INIT_FALSE, reg, unreg, NULL };\
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__TRACEPOINT_ENTRY(name);
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@ -361,7 +360,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
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static const char *___tp_str __tracepoint_string = str; \
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___tp_str; \
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})
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#define __tracepoint_string __attribute__((section("__tracepoint_str"), used))
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#define __tracepoint_string __used __section(__tracepoint_str)
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#else
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/*
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* tracepoint_string() is used to save the string address for userspace
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