linux-kernel - RE: [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin

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Date:   Thu, 7 Jul 2022 08:46:12 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Nicolin Chen <nicolinc@...dia.com>,
        "kwankhede@...dia.com" <kwankhede@...dia.com>,
        "corbet@....net" <corbet@....net>,
        "hca@...ux.ibm.com" <hca@...ux.ibm.com>,
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        "zhenyuw@...ux.intel.com" <zhenyuw@...ux.intel.com>,
        "Wang, Zhi A" <zhi.a.wang@...el.com>,
        "jani.nikula@...ux.intel.com" <jani.nikula@...ux.intel.com>,
        "joonas.lahtinen@...ux.intel.com" <joonas.lahtinen@...ux.intel.com>,
        "Vivi, Rodrigo" <rodrigo.vivi@...el.com>,
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CC:     "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
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Subject: RE: [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to
 vfio_pin/unpin_pages API

> From: Nicolin Chen
> Sent: Wednesday, July 6, 2022 2:28 PM
>  /*
> - * Pin a set of guest PFNs and return their associated host PFNs for local
> + * Pin contiguous guest pages and return their associated host pages for
> local

can we replace 'guest' with 'user'?

>   * domain only.
>   * @device [in]  : device
> - * @user_pfn [in]: array of user/guest PFNs to be pinned.
> - * @npage [in]   : count of elements in user_pfn array.  This count should
> not
> + * @iova [in]    : starting IOVA of user/guest pages to be pinned.

remove 'guest'.

> + * @npage [in]   : count of pages to be pinned.  This count should not
>   *		   be greater VFIO_PIN_PAGES_MAX_ENTRIES.

greater 'than' ...

otherwise looks good:

Reviewed-by: Kevin Tian <kevin.tian@...el.com>