hi all:
I found there seems no declaring about "struct ftrace_entry".
below the greping result of my kernel source code:
# grep -rwn 'struct ftrace_entry' *
kernel/trace/trace.h:214: IF_ASSIGN(var, ent, struct ftrace_entry, TRACE_FN); \
kernel/trace/trace_events.c:1483: struct ftrace_entry *entry;
kernel/trace/trace_output.c:818: struct ftrace_entry *field;
kernel/trace/trace_output.c:845: struct ftrace_entry *field;
kernel/trace/trace_output.c:859: struct ftrace_entry *field;
kernel/trace/trace_output.c:872: struct ftrace_entry *field;
kernel/trace/trace.c:1098: struct ftrace_entry *entry;
#
usually we use a struct we will declare its elements such as:
struct usb_host_endpoint {
struct usb_endpoint_descriptor desc;
struct list_head urb_list;
void *hcpriv;
......................
};
I guess the secret should be "if_assign", but how does compiler interpret it?
--
Regards,
miloody
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