On Thu, 5 Nov 2020, 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 change. It will expect that handlers > provide their own recursion protection, unless its ftrace_ops states > otherwise. > > Link: https://lkml.kernel.org/r/[email protected] > > Cc: Masami Hiramatsu <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Josh Poimboeuf <[email protected]> > Cc: Jiri Kosina <[email protected]> > Cc: Miroslav Benes <[email protected]> > Cc: Joe Lawrence <[email protected]> > Cc: [email protected] > Reviewed-by: Petr Mladek <[email protected]> > Signed-off-by: Steven Rostedt (VMware) <[email protected]>
Acked-by: Miroslav Benes <[email protected]> M
