linux-kernel - Re: [RFC patch] return early if all dmar HW unit ignored

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Date:	Mon, 10 Aug 2009 17:22:04 +0800
From:	Luming Yu <luming.yu@...il.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC patch] return early if all dmar HW unit ignored

On Mon, Aug 10, 2009 at 5:19 PM, Luming Yu<luming.yu@...il.com> wrote:
> On Mon, Aug 10, 2009 at 5:13 PM, David Woodhouse<dwmw2@...radead.org> wrote:
>> On Mon, 2009-08-10 at 14:21 +0800, Luming Yu wrote:
>>>
>>> But I don't know why I were seeing faults if all dmar units were
>>> ignored? Surely that shouldn't happen? Will double check and
>>> investigate.
>>
>> It shouldn't happen -- I suspect that you didn't actually mark them
>> _all_ ignored? What happens if you modify my patch just to mark the
>> offending unit as ignored, but don't also apply your patch? Does it boot

I guess no but will check for sure tomorrow.


>> then?
>
> Just with your patch, it boot without any problem.
> Add my patch in the thread, it boots too, and I see total 4 entries parsed...
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