mach-spear SMP questions

[Viresh Kumar]

Fixing Shiraz's id and Cc'ing Vipin as well..

On Thu, Mar 27, 2014 at 7:03 PM, Alex Elder <elder at linaro.org> wrote:
> I'm doing some code cleanup and have a question about
> something related to SMP in mach-spear.  Can anyone
> help me with these questions?
>
> My question has to do with how secondary cores start for
> SMP.  Most machines need to send a wakeup event from the
> boot core to each secondary core as it is told to start.
> But mach-spear does not do this.  I'd like to know if this
> is an oversight, or confirm that this is simply not necessary
> for this machine.
>
> Also, while most machines touch a memory location and then
> do a targeted cache involving only that location, mach-spear
> does a full flush.  Is the full flush really required for
> some reason?
>
> Thanks.
>
>                                         -Alex
>