linux-kernel - Re: [PATCH] drm/radeon: Convert get_user_pages() --> pin_user

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Date:   Fri, 29 May 2020 00:28:48 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     Souptick Joarder <jrdr.linux@...il.com>
CC:     "Deucher, Alexander" <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Zhou, David(ChunMing)" <David1.Zhou@....com>,
        <amd-gfx@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/radeon: Convert get_user_pages() --> pin_user_pages()

On 2020-05-28 23:49, Souptick Joarder wrote:
...
>> This is what case 3 was *intended* to cover, but it looks like case 3 needs to
>> be written a little better. I'll attempt that, and Cc you on the actual patch
>> to -mm. (I think we also need a case 5 for an unrelated scenario, too, so
>> it's time.)
> 
> There were no *case 5* in the other patch posted in -mm. Do we need to add it ?
> 

Working on figuring that out [1], but it's not directly relevant to this thread.
Maybe I shouldn't have brought it up here. :)


[1] https://lore.kernel.org/r/20200529070343.GL14550@quack2.suse.cz

thanks,
John Hubbard
NVIDIA