linux-kernel - Re: [PATCH 2/2] xen/gntdev.c: Convert get_user_pages*() to pin_user

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Date:   Fri, 11 Sep 2020 10:42:51 -0400
From:   boris.ostrovsky@...cle.com
To:     Souptick Joarder <jrdr.linux@...il.com>, jgross@...e.com,
        sstabellini@...nel.org
Cc:     xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        John Hubbard <jhubbard@...dia.com>
Subject: Re: [PATCH 2/2] xen/gntdev.c: Convert get_user_pages*() to
 pin_user_pages*()


On 9/6/20 2:51 AM, Souptick Joarder wrote:
> In 2019, we introduced pin_user_pages*() and now we are converting
> get_user_pages*() to the new API as appropriate. [1] & [2] could
> be referred for more information. This is case 5 as per document [1].
>
> [1] Documentation/core-api/pin_user_pages.rst
>
> [2] "Explicit pinning of user-space pages":
>         https://lwn.net/Articles/807108/
>
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
> Cc: John Hubbard <jhubbard@...dia.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> Cc: Juergen Gross <jgross@...e.com>
> Cc: David Vrabel <david.vrabel@...rix.com>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>