On Mon, Nov 11, 2024 at 12:50:58AM +0900, Masami Hiramatsu (Google) wrote: > From: Sven Schnelle <svens@xxxxxxxxxxxxx> > > Add ftrace_graph_func() which is required for fprobe to access registers. > This also eliminates the need for calling prepare_ftrace_return() from > ftrace_caller(). > > Signed-off-by: Sven Schnelle <svens@xxxxxxxxxxxxx> > --- > Changes in v19: > - Newly added. > --- > arch/s390/Kconfig | 1 + > arch/s390/include/asm/ftrace.h | 5 ++++ > arch/s390/kernel/entry.h | 1 - > arch/s390/kernel/ftrace.c | 48 ++++++++++++---------------------------- > arch/s390/kernel/mcount.S | 11 --------- > 5 files changed, 20 insertions(+), 46 deletions(-) Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx>