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Date:      Sun, 21 May 2023 17:33:35 +0100
From:      Jessica Clarke <jrtc27@freebsd.org>
To:        Hans Petter Selasky <hselasky@FreeBSD.org>
Cc:        "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@FreeBSD.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@FreeBSD.org>
Subject:   Re: git: 805d759338a2 - main - mlx4: Move DEFINE_MUTEX() outside function body.
Message-ID:  <54EF67D8-2A79-4EAB-8EFB-232F14FFE792@freebsd.org>
In-Reply-To: <202305211621.34LGLsup059861@gitrepo.freebsd.org>
References:  <202305211621.34LGLsup059861@gitrepo.freebsd.org>

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On 21 May 2023, at 17:21, Hans Petter Selasky <hselasky@FreeBSD.org> =
wrote:
>=20
> The branch main has been updated by hselasky:
>=20
> URL: =
https://cgit.FreeBSD.org/src/commit/?id=3D805d759338a2be939fffc8bf3f25cfaa=
b981a9be
>=20
> commit 805d759338a2be939fffc8bf3f25cfaab981a9be
> Author:     Hans Petter Selasky <hselasky@FreeBSD.org>
> AuthorDate: 2023-05-21 11:25:28 +0000
> Commit:     Hans Petter Selasky <hselasky@FreeBSD.org>
> CommitDate: 2023-05-21 16:20:16 +0000
>=20
>    mlx4: Move DEFINE_MUTEX() outside function body.
>=20
>    Move static mutex declaration outside function body, to avoid =
global
>    variables being declared on the stack, when using SYSINITs.

What? This is nonsense. It=E2=80=99s not on the stack either way round.

Please revert this.

Jess

>    MFC after:      1 week
>    Sponsored by:   NVIDIA Networking
> ---
> sys/dev/mlx4/mlx4_core/mlx4_main.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>=20
> diff --git a/sys/dev/mlx4/mlx4_core/mlx4_main.c =
b/sys/dev/mlx4/mlx4_core/mlx4_main.c
> index ca63d1d12ba6..a37b900a2ed0 100644
> --- a/sys/dev/mlx4/mlx4_core/mlx4_main.c
> +++ b/sys/dev/mlx4/mlx4_core/mlx4_main.c
> @@ -1164,6 +1164,8 @@ err_sup:
> return err;
> }
>=20
> +static DEFINE_MUTEX(set_port_type_mutex);
> +
> static ssize_t set_port_type(struct device *dev,
>     struct device_attribute *attr,
>     const char *buf, size_t count)
> @@ -1172,7 +1174,6 @@ static ssize_t set_port_type(struct device *dev,
>   port_attr);
> struct mlx4_dev *mdev =3D info->dev;
> enum mlx4_port_type port_type;
> - static DEFINE_MUTEX(set_port_type_mutex);
> int err;
>=20
> mutex_lock(&set_port_type_mutex);



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