On Sat, Oct 26, 2024 at 01:35:46PM +0900, Masami Hiramatsu (Google) wrote: > From: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> > > 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) <mhiramat@xxxxxxxxxx> > Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx> > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Huacai Chen <chenhuacai@xxxxxxxxxx> > Cc: WANG Xuerui <kernel@xxxxxxxxxx> > Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx> > Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx> > Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> > Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> > Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> > Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> > Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> > Cc: Sven Schnelle <svens@xxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Borislav Petkov <bp@xxxxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Cc: x86@xxxxxxxxxx > Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> > Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > > --- > 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 <will@xxxxxxxxxx> Will
