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    SubjectRe: Anyone working on ftrace function graph support on ARM?

    * Frederic Weisbecker <fweisbec@gmail.com> wrote:

    > Well it's a very naive listing, there are sometimes some problems.
    > For example on x86-64, I had to save even some non-scratch
    > registers before calling the return hook, I still don't know why.

    btw., which are those registers?

    Ingo


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