linux-kernel - Re: [PATCH] virtio_gpio: drop packed attribute

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Message-ID: <CAMRc=MdvizSVQLyGd7uHdxFoeAitT32BRjGcrRJKwuCmc2RMnQ@mail.gmail.com>
Date:   Thu, 4 Nov 2021 16:38:07 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        Viresh Kumar <vireshk@...nel.org>,
        Jason Wang <jasowang@...hat.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] virtio_gpio: drop packed attribute

On Mon, Nov 1, 2021 at 10:11 AM Michael S. Tsirkin <mst@...hat.com> wrote:
>
> Declaring the struct packed here is mostly harmless,
> but gives a bad example for people to copy.
> As the struct is packed and aligned manually,
> let's just drop the attribute.
>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>  include/uapi/linux/virtio_gpio.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/uapi/linux/virtio_gpio.h b/include/uapi/linux/virtio_gpio.h
> index 0445f905d8cc..25c95a034674 100644
> --- a/include/uapi/linux/virtio_gpio.h
> +++ b/include/uapi/linux/virtio_gpio.h
> @@ -25,7 +25,7 @@ struct virtio_gpio_config {
>         __le16 ngpio;
>         __u8 padding[2];
>         __le32 gpio_names_size;
> -} __packed;
> +};
>
>  /* Virtio GPIO Request / Response */
>  struct virtio_gpio_request {
> --
> MST
>

Applied, thanks!

Bart