On Wed, Oct 28, 2020 at 07:52:48AM -0400, Steven Rostedt wrote: > From: "Steven Rostedt (VMware)" <[email protected]> > > If a ftrace callback does not supply its own recursion protection and > does not set the RECURSION_SAFE flag in its ftrace_ops, then ftrace will > make a helper trampoline to do so before calling the callback instead of > just calling the callback directly. > > The default for ftrace_ops is going to assume recursion protection unless > otherwise specified. > > Cc: Thomas Meyer <[email protected]> > Cc: Kees Cook <[email protected]> > Signed-off-by: Steven Rostedt (VMware) <[email protected]>
Reviewed-by: Kees Cook <[email protected]> -- Kees Cook
