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

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Message-ID: <1b3bfb7e-87d1-467c-ab4a-37b47254bae9@paulmck-laptop>
Date:   Wed, 22 Nov 2023 15:34:12 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Petr Malat <oss@...at.biz>
Cc:     linux-kernel@...r.kernel.org, mhiramat@...nel.org,
        rostedt@...dmis.org
Subject: Re: [PATCH 0/2] bootconfig: Support early options in embedded config

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@...nel.org>

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

							Thanx, Paul