Re: [PATCH] x86/ftrace: Exclude functions in head64.c from function-tracing

Kirill A. Shutemov
2017-06-27T14:44:18Z

On Tue, Jun 27, 2017 at 09:38:25AM -0400, Steven Rostedt wrote:
> On Tue, 27 Jun 2017 14:59:48 +0300
> "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> wrote:
>
> > We've moved most logic of early boot up from startup_64() written in
> > assembly to __startup_64() written in C.
> >
> > Fengguang reported breakage due to the change. It was tracked down to
> > CONFIG_FUNCTION_TRACER being enabled.
>
> Is this due to code that is in linux-next or is this issue currently in
> mainline?
>
> If it is in linux-next, I'll give you:
>
> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
>
> and you can take it. If the issue happens in current mainline, then I'll
> take it and push it out.

It's in -next.

Fixes: c88d71508e36 ("x86/boot/64: Rewrite startup_64() in C")

Although, I'm not sure if commit-id is stable yet.

--
Kirill A. Shutemov