linux-kernel - Re: [PATCH] selinux: use u32 as bit type in ebitmap code

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Message-ID: <54c3ff6d6a7c8e8aed0e5e3facf00271@paul-moore.com>
Date: Wed, 27 Mar 2024 20:08:54 -0400
From: Paul Moore <paul@...l-moore.com>
To: Christian Göttsche <cgzones@...glemail.com>, selinux@...r.kernel.org
Cc: Stephen Smalley <stephen.smalley.work@...il.com>, Ondrej Mosnacek <omosnace@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selinux: use u32 as bit type in ebitmap code

On Mar 15, 2024 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@...glemail.com> wrote:
> 
> The extensible bitmap supports bit positions up to U32_MAX due to the
> type of the member highbit being u32.  Use u32 consistently as the type
> for bit positions to announce to callers what range of values is
> supported.
> 
> Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
> ---
> v4:
>   - apply format style
>   I hope i addressed all comment from [1] in [2].
> v3:
>   - revert type change of unrelated iter variable
>   - use U32_MAX instead of (u32)-1
> v2: avoid declarations in init-clauses of for loops
> 
> [1]: https://lore.kernel.org/selinux/67cee6245e2895e81a0177c4c1ed01ba.paul@paul-moore.com/
> [2]: https://lore.kernel.org/selinux/CAJ2a_DdLR40CB6Ua5cNjYhtexNmGkzQRsVrJn+dhVaZO-aVKsA@mail.gmail.com/
> 
> Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
> ---
>  security/selinux/ss/ebitmap.c | 31 +++++++++++++++-------------
>  security/selinux/ss/ebitmap.h | 38 ++++++++++++++++-------------------
>  2 files changed, 34 insertions(+), 35 deletions(-)

Merged into selinux/dev, thanks for following up on this.

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