[RFC PATCH v2 46/48] lmb: mark the EFI runtime memory regions as reserved

[Simon Glass]

Hi Sughosh,

On Mon, 15 Jul 2024 at 10:42, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
>
> hi Simon,
>
> On Sat, 13 Jul 2024 at 20:46, Simon Glass <sjg at chromium.org> wrote:
> >
> > Hi Sughosh,
> >
> > On Thu, 4 Jul 2024 at 08:38, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
> > >
> > > Mark the EFI runtime memory region as reserved memory during board
> > > init so that it does not get allocated by the LMB module on subsequent
> > > memory requests.
> > >
> > > Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
> > > ---
> > > Changes since V1: New patch
> > >
> > >  lib/lmb.c | 41 ++++++++++++++++++++---------------------
> > >  1 file changed, 20 insertions(+), 21 deletions(-)
> >
> > I see again that this is getting circular. Can you look at what is
> > actually allocated by EFI on init (i.e. before anything is booted)?
>
> This code is simply ensuring that the EFI runtime regions are marked
> as reserved by the LMB module to prevent that region from being
> allocated. Do you have any other way by which this can be communicated
> to the LMB module ?

But this region is within the U-Boot code area, so it should be
covered by the normal exclusion of that area?

Regards,
Simon