Re: [PATCH 0/2] bootconfig: Support early options in embedded config

From: Paul E. McKenney
Date: Wed Nov 22 2023 - 18:34:47 EST


On Wed, Nov 22, 2023 at 12:13:40AM +0100, Petr Malat wrote:
> These 2 patches add a support for specifying early options in embedded
> bootconfig and merging embedded and initrd bootconfig into one.
>
> To allow handling of early options, it's necessary to eliminate allocations
> from embedded bootconfig handling, which can be done by parsing the config
> data in place and allocating xbc_nodes array statically.
>
> Later, when initrd is available, it either replaces embedded data or is
> appended to them. To append initrd data, it's necessary to relocate already
> parsed data to a bigger memory chunk, but that's not a problem, because
> xbc_node structure uses offsets and not absolute pointers.
>
> Also, update the documentation to make users aware early options can't be
> configured in the initrd.

Nice!!!

For the series:

Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx>

(My setup isn't friendly with initrd bootconfig, so I tested this only for
the embedded bootconfig parameters.)

Thanx, Paul