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SubjectRe: [RFC PATCH 24/32] x86/ftrace: Enable HAVE_FUNCTION_GRAPH_FREGS
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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