[PATCH v7 1/3] binman: Generate preload header and sign data only once

[Simon Glass]

On 2026-04-17T08:30:47, Yan WANG <yan.wang at softathome.com> wrote:
> binman: Generate preload header and sign data only once
>
> To optimize preload generation, generate the header and signatures only
> after all data has been collected in ProcessContentsUpdate(). This
> avoids signing the data multiple times.
>
> Since header_size is known upfront (from __init__), create a placeholder
> in ObtainContents() to avoid an extra packing pass when
> ProcessContentsUpdate() detects a size change.
>
> This reduces unnecessary repacking and signing operations.
>
> Signed-off-by: Paul HENRYS <paul.henrys_ext at softathome.com>
>
> tools/binman/etype/pre_load.py | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>