| Date | Sun, 5 Nov 2023 18:25:36 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH 24/32] x86/ftrace: Enable HAVE_FUNCTION_GRAPH_FREGS |
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On Mon, Nov 06, 2023 at 01:11:21AM +0900, Masami Hiramatsu (Google) wrote: > From: Masami Hiramatsu (Google) <mhiramat@kernel.org> > > Support HAVE_FUNCTION_GRAPH_FREGS on x86-64, which saves ftrace_regs > on the stack in ftrace_graph return trampoline so that the callbacks > can access registers via ftrace_regs APIs.
What is ftrace_regs ? If I look at arch/x86/include/asm/ftrace.h it's a pointless wrapper around pt_regs.
Can we please remove the pointless wrappery and call it what it is?
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