DCA=n , INTEL_IOATDMA=y compile error ( Re: 2.6.23-rc1-mm1 )

Hi, I got this error with a randconfig ( http://194.231.229.228/MM/randconfig-auto-86.ioat ) ... LD .tmp_vmlinux1 drivers/built-in.o: In function `ioat_shutdown_functionality': ioat.c:(.text+0x21ed32): undefined reference to `unregister_dca_provider' ioat.c:(.text+0x21ed3a): undefined

DCA=n , INTEL_IOATDMA=y compile error ( Re: 2.6.23-rc1-mm1 )

Hi, I got this error with a randconfig ( http://194.231.229.228/MM/randconfig-auto-86.ioat ) ... LD .tmp_vmlinux1 drivers/built-in.o: In function `ioat_shutdown_functionality': ioat.c:(.text+0x21ed32): undefined reference to `unregister_dca_provider' ioat.c:(.text+0x21ed3a): undefined