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  • Jason Baron's avatar
    tracing: Add DECLARE_TRACE_WITH_CALLBACK() macro · 63fbdab3
    Jason Baron authored
    
    
    Introduce a new 'DECLARE_TRACE_WITH_CALLBACK()' macro, so that
    tracepoints can associate an external register/unregister function.
    
    This prepares for the syscalls tracer conversion to trace events. We
    will need to perform arch level operations once a syscall event is
    turned on/off, such as TIF flags setting, hence the need of such
    specific callbacks.
    
    Signed-off-by: default avatarJason Baron <jbaron@redhat.com>
    Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
    Cc: Jiaying Zhang <jiayingz@google.com>
    Cc: Martin Bligh <mbligh@google.com>
    Cc: Li Zefan <lizf@cn.fujitsu.com>
    Cc: Masami Hiramatsu <mhiramat@redhat.com>
    Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
    63fbdab3