[PATCH] doc: drop recommendation against bool in structures

[Bruce Richardson]

On Mon, Jul 20, 2026 at 01:46:02PM +0200, Maxime Leroy wrote:
> The coding style advised against bool in structures, citing space and
> type-size concerns inherited from the Linux kernel. That does not match
> DPDK practice: bool is already used in over 1400 structure fields across
> the tree, including core APIs such as rte_flow. Drop the note so the
> style guide reflects actual usage.
> 
> Signed-off-by: Maxime Leroy <maxime at leroys.fr>
> ---

Definite +1

Acked-by: Bruce Richardson <bruce.richardson at intel.com>

>  doc/guides/contributing/coding_style.rst | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/doc/guides/contributing/coding_style.rst b/doc/guides/contributing/coding_style.rst
> index 976a1e1de3..11de3bb39a 100644
> --- a/doc/guides/contributing/coding_style.rst
> +++ b/doc/guides/contributing/coding_style.rst
> @@ -313,15 +313,6 @@ Structure Declarations
>  * Use of the structures should be by separate variable declarations and those declarations must be extern if they are declared in a header file.
>  * Externally visible structure definitions should have the structure name prefixed by ``rte_`` to avoid namespace collisions.
>  
> -.. note::
> -
> -    Avoid using ``bool`` in structures because it wastes space and
> -    the type size is unclear. A preferred use of
> -    ``bool`` is mainly as a return type from functions that return true/false,
> -    and maybe local variable functions.
> -
> -    Ref: `LKML <https://lkml.org/lkml/2017/11/21/384>`_
> -
>  Queues
>  ~~~~~~
>  
> -- 
> 2.43.0
>