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

From: Stefan Berger
Subject: Re: [PATCH v3 2/4] ieee1275: claim more memory
Date: Wed, 4 Aug 2021 08:40:01 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

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 <>

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?




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