linux-kernel - Re: [RFT v2] iommu/amd: use subsys

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Message-ID: <570BA694.8040900@amd.com>
Date:	Mon, 11 Apr 2016 15:28:52 +0200
From:	Christian König <christian.koenig@....com>
To:	"Luis R. Rodriguez" <mcgrof@...nel.org>,
	Joerg Roedel <joro@...tes.org>, <oded.gabbay@...il.com>
CC:	<iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFT v2] iommu/amd: use subsys_initcall() on amdv2 iommu

Am 09.04.2016 um 02:25 schrieb Luis R. Rodriguez:
> On Tue, Mar 29, 2016 at 10:41 AM, Luis R. Rodriguez <mcgrof@...nel.org> wrote:
>> We need to ensure amd iommu v2 initializes before
>> driver uses such as drivers/gpu/drm/amd/amdkfd/kfd_module.c,
>> to do this make its init routine a subsys_initcall() which
>> ensures its load init is called first than modules when
>> built-in.
>>
>> This reverts the old work around implemented through commit
>> 1bacc894c227fad8a7 ("drivers: Move iommu/ before gpu/ in Makefile"),
>> instead of making the dependency implicit by linker order this
>> makes the ordering requirement explicit through proper kernel
>> APIs.
>>
>> Cc: Oded Gabbay <oded.gabbay@....com>
>> Cc: Christian König <christian.koenig@....com>
>> Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org>

Sorry for not responding earlier. Just coming back to all the stuff on 
my TODO list.

Patch is Acked-by: Christian König <christian.koenig@....com>

Regards,
Christian.

> *poke*
>
>   Luis