linux-kernel - Re: [PATCH v2] relay: Add global mode support for buffer-only channels

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Message-ID: <f150af9e-8f01-d703-3c8c-56aed88737b5@intel.com>
Date:	Tue, 12 Jul 2016 18:54:49 +0530
From:	"Goel, Akash" <akash.goel@...el.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	Tom Zanussi <tzanussi@...il.com>, akash.goel@...el.com
Subject: Re: [PATCH v2] relay: Add global mode support for buffer-only
 channels



On 7/12/2016 6:31 PM, Chris Wilson wrote:
> On Tue, Jul 12, 2016 at 06:20:06PM +0530, Goel, Akash wrote:
>> Thanks much, will update the documentation as well as the changelog
>> as per the above.
>>
>> But an export of symbol relay_late_setup_files() is still needed, just
>> like relay_open() is exported, in order to make it accessible to
>> modules like i915 ?
>
> Yes, we need the companion function in i915.ko. That needs to be
> explained in the patch notes to justify adding the EXPORT_SYMBOL.
> Otherwise without that context, it looks unnecessary as Andrew objected
> to.

Won't your suggested updates to Documentation & changelog suffice ?.
relay_late_setup_files() is to be used in conjunction with
relay_open(), hence need to be exported.

Do I also need to provide the corresponding i915 patch, which has a
call to relay_late_setup_files() ?

Best regards
Akash

> -Chris
>