[External] Re: [PATCH v3 3/3] arm64/ftrace: Make function graph use ftrace directly

[Steven Rostedt]

On Tue, 22 Mar 2022 22:14:11 +0800
Chengming Zhou <zhouchengming at bytedance.com> wrote:

> > You deleted ftrace_graph_caller above from entry-ftrace.S, if we can get
> > here with some options, wouldn't that break the build?  
> 
> The above ftrace_graph_caller deleted is only for CONFIG_DYNAMIC_FTRACE_WITH_REGS,
> and I tried using a low gcc version that doesn't select HAVE_DYNAMIC_FTRACE_WITH_REGS,
> it can build success.

OK, I didn't look too deep into this.

I don't have an issue with this patch, but it needs to go through the arm64
tree.

-- Steve