Re: [PATCH] acpi: handle ACPI0007 Device in acpi_early_set_pdc

From: Yinghai Lu
Date: Fri Sep 17 2010 - 14:38:45 EST


On 09/17/2010 06:56 AM, Bjorn Helgaas wrote:
> On Friday, September 17, 2010 01:21:56 am Yinghai Lu wrote:
>> On 09/13/2010 10:28 AM, Bjorn Helgaas wrote:
>>> On Friday, September 10, 2010 08:06:26 pm Yinghai Lu wrote:
>>>
>>> I timed the original on a 64-CPU box where the namespace walk cost
>>> should be relatively high, and the walk you added takes about 0.01
>>> seconds. The one already there took about 0.03 seconds, so neither
>>> costs very much.
>>>
>>> And I don't like the fact that the patch below changes the ACPI CA
>>> and it only partly implements acpi_get_devices(), since it ignores
>>> _CID and _STA.
>>
>> please check this one. it still keep _STA etc.
>
> I think you missed this line in my previous response:
>
>>> But I do see your point, and having seen the patch
>>> below, I prefer the original one-line version.
>
> The patch below is better, because it doesn't reimplement quite
> so much stuff, but it still changes the CA,
not sure.
> and I think the end
> result is still quite confusing to read.
yeah, it is confusing to read.... callback with callback.
>
> So I still prefer the original one-line version.

ok, Will resend out original one with updated changelog.

Yinghai
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