[PATCH v12 05/16] arm64: Add back cpu_reset routines

[Geoff Levand]

Hi Will,

On Thu, 2015-12-03 at 09:32 +0000, Will Deacon wrote:
> On Wed, Dec 02, 2015 at 02:57:30PM -0800, Geoff Levand wrote:
> > On Mon, 2015-11-30 at 10:40 +0000, Marc Zyngier wrote:
> > 
> > > All that can be solved in C, and mostly at compile time. Using an
> > > assembler trampoline is complicating things for no good reason:
> > 
> > I added this into my kexec-v12.1 branch.  After some more testing I'll
> > post a v13 to the list.
> 
> You may well need some notrace annotations if you want to run C code
> here. Can you give it a spin with things like ftrace and kprobes?

I tested ftrace with and without the notrace annotation on
cpu_soft_restart() and could do kexec re-boots either way.

When cpu_soft_restart() is called we've only done setup_mm_for_reboot(),
so I would think C code should still be OK.

-Geoff