Re: [PATCH v3 2/4] ieee1275: claim more memory

[Daniel Kiper]

On Wed, Aug 04, 2021 at 08:40:01AM -0400, Stefan Berger wrote:
>
> On 8/4/21 7:19 AM, Daniel Kiper wrote:
> > CC-ing Patrick.
> >
> > On Fri, Jul 30, 2021 at 11:45:38AM -0400, Stefan Berger wrote:
> > > From: Daniel Axtens <dja@axtens.net>
> > >
> > > On powerpc-ieee1275, we are running out of memory trying to verify
> > > anything. This is because:
> > >
> > >   - we have to load an entire file into memory to verify it. This is
> > >     extremely difficult to change with appended signatures.
> > >   - We only have 32MB of heap.
> > >   - Distro kernels are now often around 30MB.
> > >
> > > So we want to claim more memory from OpenFirmware for our heap.
> > Stefan, Patrick, Daniel, may I ask one of you to work on the [1]
> > proposal. I want to have this solution implemented.
>
> Is the design in [1] correct just that the patches need forward-porting?

As I said in the other thread I am OK with general idea. So, I think you
can rabase this patchset, align it with your needs and then we can
continue discussion. Please do not forget to CC at least Patrick.

Daniel