From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
Long Li <longli@microsoft.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Hans de Goede <hansg@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
llvm@lists.linux.dev, kernel test robot <lkp@intel.com>
Subject: Re: [PATCH 0/2] kbuild, uapi: Mark inner unions in packed structs as packed
Date: Fri, 16 Jan 2026 16:52:37 +0100 [thread overview]
Message-ID: <2026011632-favorite-creamlike-aec6@gregkh> (raw)
In-Reply-To: <20260115-kbuild-alignment-vbox-v1-0-076aed1623ff@linutronix.de>
On Thu, Jan 15, 2026 at 08:35:43AM +0100, Thomas Weißschuh wrote:
> The unpacked unions within a packed struct generates alignment warnings
> on clang for 32-bit ARM.
>
> With the recent changes to compile-test the UAPI headers in more cases,
> these warning in combination with CONFIG_WERROR breaks the build.
>
> Fix the warnings.
>
> Intended for the kbuild tree.
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
> ---
> Thomas Weißschuh (2):
> hyper-v: Mark inner union in hv_kvp_exchg_msg_value as packed
> virt: vbox: uapi: Mark inner unions in packed structs as packed
>
> include/uapi/linux/hyperv.h | 2 +-
> include/uapi/linux/vbox_vmmdev_types.h | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
> ---
> base-commit: e3970d77ec504e54c3f91a48b2125775c16ba4c0
> change-id: 20260115-kbuild-alignment-vbox-d0409134d335
>
> Best regards,
> --
> Thomas Weißschuh <thomas.weissschuh@linutronix.de>
>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2026-01-16 15:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-15 7:35 [PATCH 0/2] kbuild, uapi: Mark inner unions in packed structs as packed Thomas Weißschuh
2026-01-15 7:35 ` [PATCH 1/2] hyper-v: Mark inner union in hv_kvp_exchg_msg_value " Thomas Weißschuh
2026-01-15 18:22 ` Wei Liu
2026-01-15 7:35 ` [PATCH 2/2] virt: vbox: uapi: Mark inner unions in packed structs " Thomas Weißschuh
2026-01-16 15:52 ` Greg Kroah-Hartman [this message]
2026-01-16 19:57 ` [PATCH 0/2] kbuild, " Nicolas Schier
2026-01-16 22:06 ` Nathan Chancellor
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