ftrace: Add another check for match in register_ftrace_direct()

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As an instruction pointer passed into register_ftrace_direct() may just
exist on the ftrace call site, but may not be the start of the call site
itself, register_ftrace_direct() still needs to update test if a direct call
exists on the normalized site, as only one direct call is allowed at any one
time.

Fixes: 763e34e74b ("ftrace: Add register_ftrace_direct()")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Steven Rostedt (VMware) 2019-11-15 14:19:04 -05:00

parent 1c7f9b673d

commit 406acdd32d

1 changed files with 6 additions and 1 deletions

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kernel/trace/ftrace.c

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