linux-kernel - Re: [PATCH] tee: convert convert get_user_pages() --> pin_user

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Message-ID: <ad103c96-0b84-97cd-48eb-67f5e01e0349@nvidia.com>
Date:   Tue, 19 May 2020 13:03:02 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     LKML <linux-kernel@...r.kernel.org>
CC:     Jens Wiklander <jens.wiklander@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        <tee-dev@...ts.linaro.org>, <linux-media@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <linaro-mm-sig@...ts.linaro.org>
Subject: Re: [PATCH] tee: convert convert get_user_pages() -->
 pin_user_pages()

On 2020-05-18 22:18, John Hubbard wrote:
> This code was using get_user_pages*(), in a "Case 2" scenario
> (DMA/RDMA), using the categorization from [1]. That means that it's
> time to convert the get_user_pages*() + put_page() calls to
> pin_user_pages*() + unpin_user_pages() calls.
> 

Looks like I accidentally doubled a word on the subject line:
"convert convert". :)

I'd appreciate it a maintainer could remove one of those for
me, while applying the patch, assuming that we don't need a
v2 for other reasons.


thanks,
-- 
John Hubbard
NVIDIA