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Date:      Tue, 21 Jun 2016 09:55:21 -0700
From:      Conrad Meyer <cem@freebsd.org>
To:        Hans Petter Selasky <hps@selasky.org>
Cc:        Matthew Macy <mmacy@nextbsd.org>, Oded Shanoon <odeds@mellanox.com>,  Meny Yossefi <menyy@mellanox.com>, =?UTF-8?Q?Edward_Tomasz_Napiera=C5=82a?= <trasz@freebsd.org>,  "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org>
Subject:   Re: Enabling OFED by default.
Message-ID:  <CAG6CVpXqVZD9-7skuA8bxCqN%2B-5rQ9er8jPs-No5WPONN2RVuA@mail.gmail.com>
In-Reply-To: <36219e68-a6cd-de7c-f318-b6a65543a087@selasky.org>
References:  <20160211205358.GA3567@brick.home> <56D811B3.6090406@selasky.org> <20160305155620.GB2512@brick.home> <56DC00EA.7050900@selasky.org> <20160523102055.GA2891@brick> <fc2630f9-dd10-5640-2ce2-a4a3feb6962a@selasky.org> <1556f5196ad.cc101c73136103.7671428586181101222@nextbsd.org> <36219e68-a6cd-de7c-f318-b6a65543a087@selasky.org>

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On Tue, Jun 21, 2016 at 12:51 AM, Hans Petter Selasky <hps@selasky.org> wrote:
> On 06/20/16 21:37, Matthew Macy wrote:
>>
>> Do not enable in tree linuxkpi by default. It will definitely interfere
>> with out of tree graphics work, which would harm far far more users than it
>> benefits.
>
> The final goal should be to make the DRM2 LinuxKPI an extension of the
> kernel's LinuxKPI so that they can co-exist.

This doesn't really make sense.  Some of the LinuxKPI changes needed
for DRM2 are bugfixes of existing LinuxKPI code.  If it was only
extensions to the existing APIs, maybe they could be layered.  But I
don't think anyone considers existing LinuxKPI code completely
bug-free.

Best,
Conrad



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