linux-kernel - Re: x86 git acpi issue?

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Date:	Fri, 02 May 2008 17:08:12 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: x86 git acpi issue?

Hiroshi Shimamoto wrote:
> Hi,
> 
> commit: afcab879e4044f952b7a031d5fd504e0feb7df41
> visws: build fix
> 
> breaks something around acpi on 32bit.
> In my test box scsi driver complains and the kernel doesn't boot.
> 
> I'm not sure, but when moving the acpi.o before legacy.o, it works.
> --- a/arch/x86/pci/Makefile_32
> +++ b/arch/x86/pci/Makefile_32
> @@ -6,11 +6,11 @@ obj-$(CONFIG_PCI_DIRECT)	+= direct.o
>  obj-$(CONFIG_PCI_OLPC)		+= olpc.o
>  
>  pci-y				:= fixup.o
> +pci-$(CONFIG_ACPI)		+= acpi.o
>  pci-y				+= legacy.o irq.o
>  
>  pci-$(CONFIG_X86_VISWS)		:= visws.o fixup.o
>  pci-$(CONFIG_X86_NUMAQ)		:= numa.o irq.o
> -pci-$(CONFIG_ACPI)		+= acpi.o
>  pci-$(CONFIG_NUMA)		+= mp_bus_to_node.o
>  
>  obj-y				+= $(pci-y) common.o early.o
> 
> of cause this isn't correct patch, it's just a workaround for me.
> 

The problem is that := should be += for the VISWS and NUMAQ lines. 
There is already a patch queued up to fix that.

	-hpa

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