On Mon, 21 Oct 2024 17:46:58 +0100 Will Deacon <will@xxxxxxxxxx> wrote: > On Wed, Oct 16, 2024 at 09:58:09AM +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 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 parts: > > Acked-by: Will Deacon <will@xxxxxxxxxx> Thank you! > > Will -- Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
