[PATCH 1/3] arch: Export machine_restart() instances so they can be called from modules

[Greg Kroah-Hartman]

On Thu, Aug 05, 2021 at 06:36:25PM +0100, Catalin Marinas wrote:
> On Thu, Aug 05, 2021 at 08:50:30AM +0100, Lee Jones wrote:
> > diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
> > index b4bb67f17a2ca..cf89ce91d7145 100644
> > --- a/arch/arm64/kernel/process.c
> > +++ b/arch/arm64/kernel/process.c
> > @@ -212,6 +212,7 @@ void machine_restart(char *cmd)
> >  	printk("Reboot failed -- System halted\n");
> >  	while (1);
> >  }
> > +EXPORT_SYMBOL(machine_restart);
> 
> Should we make this EXPORT_SYMBOL_GPL? I suppose it's not for general
> use by out of tree drivers and it matches the other pm_power_off symbol
> we export in this file.

Yes please.