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SubjectRE: [PATCH] 'noapic' already handled elsewhere
Date
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Re: config
Yes, I fixed this they way you suggested yesterday, both in 2.4 and 2.6.
The 2.4 tree is being tested, and the 2.6 patch is being buttoned up
now.


Thanks,
-Len

Ps I sent a note on this to acpi-devel yesterday, but just got a
message from "Mail Delivery System [Mailer-Daemon@vasoftware.com]" that
my message has been waiting to go out for over 8 hours...


> -----Original Message-----
> From: Jeff Garzik [mailto:jgarzik@pobox.com]
> Sent: Thursday, August 21, 2003 5:11 PM
> To: Brown, Len
> Cc: torvalds@osdl.org; Grover, Andrew; zwane@linuxpower.ca;
> linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] 'noapic' already handled elsewhere
>
>
> Brown, Len wrote:
> > Jeff,
> > This won't work.
> > acpi_boot_init() is called from setup_arch(), which is called from
> > start_kernel() _before_ parse_options(). Ie. ACPI needs to
> consume this
> > flag before __setup() is invoked.
>
>
> Thanks for the correction. I'll resend the earlier
> s/LOCAL_APIC/IO_APIC/ patch then.
>
> Just found another ACPI bug in 2.6:
>
> > config ACPI_HT
> > bool "ACPI Processor Enumeration for HT"
> > depends on (X86 && X86_LOCAL_APIC)
> > default y
> [...]
> > config ACPI
> > bool "Full ACPI Support"
> > depends on !X86_VISWS
> > depends on !IA64_HP_SIM
> > depends on IA64 || (X86 && ACPI_HT)
>
>
> So CONFIG_ACPI is not allowed on uniprocessor anymore, _and_
> it requires
> HyperThreading code? ;-) No wonder CONFIG_ACPI didn't appear for my
> uniprocessor Pentium3 'make oldconfig' ;-)
>
> (ACPI requires ACPI_HT, which requires LOCAL_APIC)
>
> Another reason why I was saying that CONFIG_ACPI should be
> the toplevel
> config option (even if CONFIG_ACPI never actually appears in
> any code,
> but only in Kconfig)...
>
> Jeff
>
>
>
>
-
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