On Sat, Oct 26, 2024 at 01:35:46PM +0900, Masami Hiramatsu (Google) wrote: > From: Masami Hiramatsu (Google) <[email protected]> > > Use ftrace_regs instead of fgraph_ret_regs for tracing return value > on function_graph tracer because of simplifying the callback interface. > > The CONFIG_HAVE_FUNCTION_GRAPH_RETVAL is also replaced by > CONFIG_HAVE_FUNCTION_GRAPH_FREGS. > > Signed-off-by: Masami Hiramatsu (Google) <[email protected]> > Acked-by: Heiko Carstens <[email protected]> > Cc: Catalin Marinas <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Steven Rostedt <[email protected]> > Cc: Mark Rutland <[email protected]> > Cc: Huacai Chen <[email protected]> > Cc: WANG Xuerui <[email protected]> > Cc: Paul Walmsley <[email protected]> > Cc: Palmer Dabbelt <[email protected]> > Cc: Albert Ou <[email protected]> > Cc: Vasily Gorbik <[email protected]> > Cc: Alexander Gordeev <[email protected]> > Cc: Heiko Carstens <[email protected]> > Cc: Christian Borntraeger <[email protected]> > Cc: Sven Schnelle <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: Borislav Petkov <[email protected]> > Cc: Dave Hansen <[email protected]> > Cc: [email protected] > Cc: "H. Peter Anvin" <[email protected]> > Cc: Mathieu Desnoyers <[email protected]> > > --- > Changes in v18: > - Use PTREGS_SIZE instead of redefining FRAME_SIZE on i386. > Changes in v17: > - Fixes s390 return_to_handler according to Heiko's advice. > Changes in v16: > - According to the recent ftrace_regs.h change, override > ftrace_regs_get_frame_pointer() if needed. > - s390: keep stack_frame on stack, just replace fgraph_ret_regs > with ftrace_regs. > Changes in v8: > - Newly added. > --- > arch/arm64/Kconfig | 1 + > arch/arm64/include/asm/ftrace.h | 23 ++++++----------------- > arch/arm64/kernel/asm-offsets.c | 12 ------------ > arch/arm64/kernel/entry-ftrace.S | 32 ++++++++++++++++++--------------
For the arm64 bits: Acked-by: Will Deacon <[email protected]> Will
