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Subject: Re: [PATCH v2] dma-buf: move dma-buf symbols into the DMA_BUF module
 namespace
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Alex Deucher <alexander.deucher@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>, Xinhui.Pan@amd.com
Cc:     linux-kernel@vger.kernel.org,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        dri-devel@lists.freedesktop.org,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Arnd Bergmann <arnd@arndb.de>
References: <20211010124628.17691-1-gregkh@linuxfoundation.org>
 <YXaIx0g/kHEnq8ZN@kroah.com>
From:   =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>
Message-ID: <7328189c-0567-847e-17e9-e2ed4f3a78f4@amd.com>
Date:   Mon, 25 Oct 2021 12:58:50 +0200
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Am 25.10.21 um 12:36 schrieb Greg Kroah-Hartman:
> On Sun, Oct 10, 2021 at 02:46:28PM +0200, Greg Kroah-Hartman wrote:
>> In order to better track where in the kernel the dma-buf code is used,
>> put the symbols in the namespace DMA_BUF and modify all users of the
>> symbols to properly import the namespace to not break the build at the
>> same time.
>>
>> Now the output of modinfo shows the use of these symbols, making it
>> easier to watch for users over time:
>>
>> $ modinfo drivers/misc/fastrpc.ko | grep import
>> import_ns:      DMA_BUF
>>
>> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
>> Cc: David Airlie <airlied@linux.ie>
>> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> Cc: Maxime Ripard <mripard@kernel.org>
>> Cc: Thomas Zimmermann <tzimmermann@suse.de>
>> Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
>> Cc: dri-devel@lists.freedesktop.org
>> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
>> Acked-by: Christian König <christian.koenig@amd.com>
>> Acked-by: Arnd Bergmann <arnd@arndb.de>
>> Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
>> Acked-by: Alex Deucher <alexander.deucher@amd.com>
>> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> ---
>> v2: added lots of acks
>>      added 2 more drivers that needed the change, as found by Arnd
> Ping?  Any ideas on what needs to happen to get this into the tree?
>
> Or can I take it through my char-misc tree?  I seem to have a bunch of
> acks on it by the respective maintainers...

I could push that upstream through the drm-misc-next tree if you like, 
but honestly char-misc sounds like the better approach since this 
touches a lot of drivers outside of drm as well.

Thanks,
Christian.

>
> thanks,
>
> greg k-h