linux-kernel - Re: [PATCH V2 3/5] vDPA: introduce vDPA bus

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Message-ID: <20200213105743-mutt-send-email-mst@kernel.org>
Date:   Thu, 13 Feb 2020 10:59:34 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Jason Gunthorpe <jgg@...lanox.com>
Cc:     Jason Wang <jasowang@...hat.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, tiwei.bie@...el.com,
        maxime.coquelin@...hat.com, cunming.liang@...el.com,
        zhihong.wang@...el.com, rob.miller@...adcom.com,
        xiao.w.wang@...el.com, haotian.wang@...ive.com,
        lingshan.zhu@...el.com, eperezma@...hat.com, lulu@...hat.com,
        parav@...lanox.com, kevin.tian@...el.com, stefanha@...hat.com,
        rdunlap@...radead.org, hch@...radead.org, aadam@...hat.com,
        jiri@...lanox.com, shahafs@...lanox.com, hanand@...inx.com,
        mhabets@...arflare.com
Subject: Re: [PATCH V2 3/5] vDPA: introduce vDPA bus

On Thu, Feb 13, 2020 at 11:51:54AM -0400, Jason Gunthorpe wrote:
> The 'class' is supposed to provide all the library functions to remove
> this duplication. Instead of plugging the HW driver in via some bus
> scheme every subsystem has its own 'ops' that the HW driver provides
> to the subsystem's class via subsystem_register()

Hmm I'm not familiar with subsystem_register. A grep didn't find it
in the kernel either ...

-- 
MST