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From:   Paul Moore <paul@paul-moore.com>
Date:   Thu, 5 Aug 2021 18:01:47 -0400
Message-ID: <CAHC9VhRDYYOpUvCkcWw=2a_P0AJxtA5N5y_Kj5PAG-0BQ02COQ@mail.gmail.com>
Subject: Re: [PATCH v4 1/3] audit: replace magic audit syscall class numbers
 with macros
To:     Richard Guy Briggs <rgb@redhat.com>
Cc:     Linux-Audit Mailing List <linux-audit@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-fsdevel@vger.kernel.org, Eric Paris <eparis@parisplace.org>,
        Steve Grubb <sgrubb@redhat.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Eric Paris <eparis@redhat.com>, x86@kernel.org,
        linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
        linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
        Aleksa Sarai <cyphar@cyphar.com>,
        Arnd Bergmann <arnd@kernel.org>
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On Wed, May 19, 2021 at 4:01 PM Richard Guy Briggs <rgb@redhat.com> wrote:
>
> Replace audit syscall class magic numbers with macros.
>
> This required putting the macros into new header file
> include/linux/auditsc_classmacros.h since the syscall macros were
> included for both 64 bit and 32 bit in any compat code, causing
> redefinition warnings.
>
> Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
> Link: https://lore.kernel.org/r/2300b1083a32aade7ae7efb95826e8f3f260b1df.1621363275.git.rgb@redhat.com
> ---
>  MAINTAINERS                         |  1 +
>  arch/alpha/kernel/audit.c           |  8 ++++----
>  arch/ia64/kernel/audit.c            |  8 ++++----
>  arch/parisc/kernel/audit.c          |  8 ++++----
>  arch/parisc/kernel/compat_audit.c   |  9 +++++----
>  arch/powerpc/kernel/audit.c         | 10 +++++-----
>  arch/powerpc/kernel/compat_audit.c  | 11 ++++++-----
>  arch/s390/kernel/audit.c            | 10 +++++-----
>  arch/s390/kernel/compat_audit.c     | 11 ++++++-----
>  arch/sparc/kernel/audit.c           | 10 +++++-----
>  arch/sparc/kernel/compat_audit.c    | 11 ++++++-----
>  arch/x86/ia32/audit.c               | 11 ++++++-----
>  arch/x86/kernel/audit_64.c          |  8 ++++----
>  include/linux/audit.h               |  1 +
>  include/linux/auditsc_classmacros.h | 23 +++++++++++++++++++++++
>  kernel/auditsc.c                    | 12 ++++++------
>  lib/audit.c                         | 10 +++++-----
>  lib/compat_audit.c                  | 11 ++++++-----
>  18 files changed, 102 insertions(+), 71 deletions(-)
>  create mode 100644 include/linux/auditsc_classmacros.h

...

> diff --git a/include/linux/auditsc_classmacros.h b/include/linux/auditsc_classmacros.h
> new file mode 100644
> index 000000000000..18757d270961
> --- /dev/null
> +++ b/include/linux/auditsc_classmacros.h
> @@ -0,0 +1,23 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +/* auditsc_classmacros.h -- Auditing support syscall macros
> + *
> + * Copyright 2021 Red Hat Inc., Durham, North Carolina.
> + * All Rights Reserved.
> + *
> + * Author: Richard Guy Briggs <rgb@redhat.com>
> + */
> +#ifndef _LINUX_AUDITSCM_H_
> +#define _LINUX_AUDITSCM_H_
> +
> +enum auditsc_class_t {
> +       AUDITSC_NATIVE = 0,
> +       AUDITSC_COMPAT,
> +       AUDITSC_OPEN,
> +       AUDITSC_OPENAT,
> +       AUDITSC_SOCKETCALL,
> +       AUDITSC_EXECVE,
> +
> +       AUDITSC_NVALS /* count */
> +};
> +
> +#endif

My apologies Richard, for some reason I had it in my mind that this
series was waiting on you to answer a question and/or respin; however,
now that I'm clearing my patch queues looking for any stragglers I see
that isn't the case.  Looking over the patchset I think it looks okay
to me, my only concern is that "auditsc_classmacros.h" is an awfully
specific header file name and could prove to be annoying if we want to
add to it in the future.  What do you think about something like
"audit_arch.h" instead?

If that change is okay with you I can go ahead and do the rename while
I'm merging the patches, I'll consider it penance for letting this
patchset sit for so long :/

-- 
paul moore
www.paul-moore.com