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Date:	Mon, 13 Oct 2008 14:26:31 +0300
From:	Adrian Bunk <>
To:	Kamalesh Babulal <>,
	Brice Goglin <>,
	Jeff Garzik <>,
	Jesse Brandeburg <>,
	Jeff Kirsher <>
Subject: Re: [BUILD_FAILURE] 2.6.27-git2 - allyesconfig on powerpc selects

On Mon, Oct 13, 2008 at 03:45:59PM +0530, Kamalesh Babulal wrote:
> Hi,
>    2.6.27-git2 kernel build fails, while building the kernel with
> allyesconfig option. The allyesconfig selects CONFIG_INTEL_IOATDMA=y
> CC   drivers/dma/ioat_dca.o
> drivers/dma/ioat_dca.c: In function ‘dca_enabled_in_bios’:
> drivers/dma/ioat_dca.c:81: error: implicit declaration of function ‘cpuid_eax’
> drivers/dma/ioat_dca.c: In function ‘system_has_dca_enabled’:
> drivers/dma/ioat_dca.c:91: error: implicit declaration of function ‘boot_cpu_has’
> drivers/dma/ioat_dca.c:91: error: ‘X86_FEATURE_DCA’ undeclared (first use in this function)
> drivers/dma/ioat_dca.c:91: error: (Each undeclared identifier is reported only once
> drivers/dma/ioat_dca.c:91: error: for each function it appears in.)
> drivers/dma/ioat_dca.c: In function ‘ioat_dca_get_tag’:
> drivers/dma/ioat_dca.c:190: error: implicit declaration of function ‘cpu_physical_id’
> make[2]: *** [drivers/dma/ioat_dca.o] Error 1
> make[1]: *** [drivers/dma] Error 2
> make: *** [drivers] Error 2

Thanks for the report, the MYRI10GE and IXGBE commits that introduced 
the select's are really broken.

For fixing it I need to know the intended semantics.

Brian, Jesse, is it OK to limit the drivers to m with 



       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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