APIC options 2.4.21 kernel + patch

APIC options 2.4.21 kernel + patch

[Emma Jane Hogbin]

Hi:

I'm currently working on an ACPI HOWTO. It was written for the 2.4.20
kernel, and I'm getting some questions about the 2.4.21 kernel and the
latest patch. I am hoping this is a quick question with an easy answer.
http://xtrinsic.com/geek/articles/acpi.phtml

Here is a copy of the email I received which outlines the problem behind
the question:
http://sourceforge.net/mailarchive/forum.php?thread_id=2668793&forum_id=7803

My question is this: Does the CONFIG_X86_UP_APIC module need to be set to
"Y" for the 2.4.21 kernel + latest ACPI patch to work? 

I've found the following APIC options in the 2.4.20 kernel:
	CONFIG_X86_GOOD_APIC=y
	# CONFIG_X86_UP_APIC is not set
	# CONFIG_X86_UP_IOAPIC is not set

The reader who emailed me said that he had to enable the second option in
order to get the 2.4.21 kernel + patch to work. Will this be true for all
hardware configurations 2.4.21?

thanks!!

emma

-- 
Emma Jane Hogbin
[[ 416 417 2868 ][ www.xtrinsic.com ]]


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Re: APIC options 2.4.21 kernel + patch

[Sebastian Henschel]

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hello there...

* Emma Jane Hogbin <emmajane-MHIYrZpDPrNWk0Htik3J/w@public.gmane.org> [2003-07-01 09:16 +0200]:
> 
> http://xtrinsic.com/geek/articles/acpi.phtml
> 
> Here is a copy of the email I received which outlines the problem behind
> the question:
> http://sourceforge.net/mailarchive/forum.php?thread_id=2668793&forum_id=7803
> 
> My question is this: Does the CONFIG_X86_UP_APIC module need to be set to
> "Y" for the 2.4.21 kernel + latest ACPI patch to work? 
> 
> I've found the following APIC options in the 2.4.20 kernel:
> 	CONFIG_X86_GOOD_APIC=y
> 	# CONFIG_X86_UP_APIC is not set
> 	# CONFIG_X86_UP_IOAPIC is not set
> 
> The reader who emailed me said that he had to enable the second option in
> order to get the 2.4.21 kernel + patch to work. Will this be true for all
> hardware configurations 2.4.21?

i cannot second that, at least concerning kernel configuration. when i
disable the APIC-stuff i can still select ACPI in my configuration.
also drivers/acpi/Config.in does not seem to depend on settings for APIC
except for CPU enumeration (CONFIG_X86_LOCAL_APIC which is enabled
automatically by CONFIG_X86_UP_APIC).
grepping the kernel sources for UP_APIC does not seem to alter anything
within the ACPI codebase. though CONFIG_X86_UP_IOAPIC automatically enables
CONFIG_X86_IO_APIC which alters ACPIs behaviour (compilation) quite a bit.
this is 2.4.21 + acpi20030619 (+ swsusp-1.0pre14 + laptopmode + bootsplash +
dsdtinitrd).

though i am neither a kernel developer nor an acpi developer and i could
be damn wrong. :)

cheers,
 sebastian
-- 
::: sebastian henschel
::: kodeaffe
::: lynx -source http://www.kodeaffe.de/shensche.pub | gpg --import

[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]

RE: APIC options 2.4.21 kernel + patch

[Brown, Len]

It was a bug that building ACPI depended on the APIC.

So as the definition "latest ACPI patch" is changing over time,
the answer to your question was Yes last week, and is No today, and
going forward.

Cheers,
-Len


> -----Original Message-----
> From: Emma Jane Hogbin [mailto:emmajane-MHIYrZpDPrNWk0Htik3J/w@public.gmane.org] 
> Sent: Tuesday, July 01, 2003 1:20 AM
> To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: [ACPI] APIC options 2.4.21 kernel + patch
> 
> 
> Hi:
> 
> I'm currently working on an ACPI HOWTO. It was written for the 2.4.20
> kernel, and I'm getting some questions about the 2.4.21 kernel and the
> latest patch. I am hoping this is a quick question with an 
> easy answer.
> http://xtrinsic.com/geek/articles/acpi.phtml
> 
> Here is a copy of the email I received which outlines the 
> problem behind
> the question:
> http://sourceforge.net/mailarchive/forum.php?thread_id=2668793
&forum_id=7803

My question is this: Does the CONFIG_X86_UP_APIC module need to be set
to
"Y" for the 2.4.21 kernel + latest ACPI patch to work? 

I've found the following APIC options in the 2.4.20 kernel:
	CONFIG_X86_GOOD_APIC=y
	# CONFIG_X86_UP_APIC is not set
	# CONFIG_X86_UP_IOAPIC is not set

The reader who emailed me said that he had to enable the second option
in
order to get the 2.4.21 kernel + patch to work. Will this be true for
all
hardware configurations 2.4.21?

thanks!!

emma

-- 
Emma Jane Hogbin
[[ 416 417 2868 ][ www.xtrinsic.com ]]


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