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Re: [PATCH v4 03/10] modules: Don't allocate space for non-allocable sec


From: Daniel Kiper
Subject: Re: [PATCH v4 03/10] modules: Don't allocate space for non-allocable sections.
Date: Mon, 24 Jun 2024 17:57:54 +0200
User-agent: NeoMutt/20170113 (1.7.2)

On Wed, Jun 12, 2024 at 04:57:06PM +0100, Mate Kukri wrote:
> From: Peter Jones <pjones@redhat.com>
>
> Currently when loading grub modules, we allocate space for all sections,
> including those without SHF_ALLOC set.  We then copy the sections that
> /do/ have SHF_ALLOC set into the allocated memory, leaving some of our
> allocation untouched forever.  Additionally, on platforms with GOT
> fixups and trampolines, we currently compute alignment round-ups for the
> sections and sections with sh_size = 0.
>
> This patch removes the extra space from the allocation computation, and
> makes the allocation computation loop skip empty sections as the loading
> loop does.
>
> Signed-off-by: Peter Jones <pjones@redhat.com>
> Signed-off-by: Jan Setje-Eilers <jan.setjeeilers@oracle.com>
> Signed-off-by: Mate Kukri <mate.kukri@canonical.com>
> Reviewed-By: Vladimir Serbinenko

Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

Daniel



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