From: Jason Wang <jasowang@redhat.com>
To: Xie Yongji <xieyongji@bytedance.com>,
mst@redhat.com, dan.carpenter@oracle.com
Cc: virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] vdpa: Add documentation for vdpa_alloc_device() macro
Date: Thu, 15 Jul 2021 16:10:54 +0800 [thread overview]
Message-ID: <30a9222e-30fc-8dfb-312e-05367785ff6a@redhat.com> (raw)
In-Reply-To: <20210715080026.242-4-xieyongji@bytedance.com>
在 2021/7/15 下午4:00, Xie Yongji 写道:
> The return value of vdpa_alloc_device() macro is not very
> clear, so that most of callers did the wrong check. Let's
> add some comments to better document it.
>
> Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
> ---
> include/linux/vdpa.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
> index 3357ac98878d..8cfe49d201dd 100644
> --- a/include/linux/vdpa.h
> +++ b/include/linux/vdpa.h
> @@ -277,6 +277,17 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent,
> const struct vdpa_config_ops *config,
> size_t size, const char *name);
>
> +/**
> + * vdpa_alloc_device - allocate and initilaize a vDPA device
> + *
> + * @dev_struct: the type of the parent structure
> + * @member: the name of struct vdpa_device within the @dev_struct
> + * @parent: the parent device
> + * @config: the bus operations that is supported by this device
> + * @name: name of the vdpa device
> + *
> + * Return allocated data structure or ERR_PTR upon error
> + */
> #define vdpa_alloc_device(dev_struct, member, parent, config, name) \
> container_of(__vdpa_alloc_device( \
> parent, config, \
next prev parent reply other threads:[~2021-07-15 8:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-15 8:00 [PATCH 1/4] vdpa_sim: Fix return value check for vdpa_alloc_device() Xie Yongji
2021-07-15 8:00 ` [PATCH 2/4] vp_vdpa: " Xie Yongji
2021-07-15 8:08 ` Jason Wang
2021-07-26 9:28 ` Stefano Garzarella
2021-07-15 8:00 ` [PATCH 3/4] vDPA/ifcvf: " Xie Yongji
2021-07-15 8:09 ` Jason Wang
2021-07-26 9:28 ` Stefano Garzarella
2021-07-15 8:00 ` [PATCH 4/4] vdpa: Add documentation for vdpa_alloc_device() macro Xie Yongji
2021-07-15 8:10 ` Jason Wang [this message]
2021-07-26 9:29 ` Stefano Garzarella
2021-07-26 9:28 ` [PATCH 1/4] vdpa_sim: Fix return value check for vdpa_alloc_device() Stefano Garzarella
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