Re: [BUILD_FAILURE] 2.6.27-git2 - allyesconfig on powerpc selectsCONFIG_INTEL_IOATDMA=y

[Adrian Bunk]

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 ÃÂÂdca_enabled_in_biosÃÂÂ:
> drivers/dma/ioat_dca.c:81: error: implicit declaration of function ÃÂÂcpuid_eaxÃÂÂ
> drivers/dma/ioat_dca.c: In function ÃÂÂsystem_has_dca_enabledÃÂÂ:
> drivers/dma/ioat_dca.c:91: error: implicit declaration of function ÃÂÂboot_cpu_hasÃÂÂ
> drivers/dma/ioat_dca.c:91: error: ÃÂÂX86_FEATURE_DCAÃÂÂ 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 ÃÂÂioat_dca_get_tagÃÂÂ:
> drivers/dma/ioat_dca.c:190: error: implicit declaration of function ÃÂÂcpu_physical_idÃÂÂ
> 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 
CONFIG_INTEL_IOATDMA=m ?

cu
Adrian

-- 

       "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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