Re: [PATCH v5 05/12] x86/retpoline/ftrace: Convert ftrace assembler indirect jumps

[Linus Torvalds]

On Sat, Jan 6, 2018 at 3:49 AM, David Woodhouse <dwmw@xxxxxxxxxxxx> wrote:
>
> -       call    *ftrace_trace_function
> +       movl    ftrace_trace_function, %ecx
> +       NOSPEC_CALL %ecx

Can't we just do

    NOSPEC_CALL ftrace_trace_function

now?

[ Goes off and looks ]

Oh. The AMD lfence version wants a register. Oh well.

             Linus