[PATCH v3 14/25] x86: mp: Park CPUs before running the OS

Simon Glass sjg at chromium.org
Sat Jul 11 18:09:27 CEST 2020


Hi Bin,

On Tue, 7 Jul 2020 at 19:55, Simon Glass <sjg at chromium.org> wrote:
>
> Hi Bin,
>
> On Tue, 7 Jul 2020 at 02:26, Bin Meng <bmeng.cn at gmail.com> wrote:
> >
> > Hi Simon,
> >
> > On Mon, Jul 6, 2020 at 11:37 AM Simon Glass <sjg at chromium.org> wrote:
> > >
> > > With the new MP features the CPUs are no-longer parked when the OS is run.
> > > Fix this by calling a special function to park them, just before the OS is
> > > started.
> > >
> > > Signed-off-by: Simon Glass <sjg at chromium.org>
> > > Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>
> > > ---
> > >
> > > Changes in v3:
> > > - Update the comment for mp_park_aps()
> > >
> > >  arch/x86/cpu/cpu.c        |  5 +++++
> > >  arch/x86/cpu/mp_init.c    | 18 ++++++++++++++++++
> > >  arch/x86/include/asm/mp.h | 17 +++++++++++++++++
> > >  3 files changed, 40 insertions(+)
>
> OK. Sorry but I missed this.
>
> If there are no other comments I can just update this patch.
>

OK I sent a new version of that patch.

Regards,
Simon


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