While compiling linux, I get following error:[ALL  ]   CC      drivers/usb/otg/ulpi_viewport.o[ALL  ]   LD      drivers/usb/phy/built-in.o[ALL  ]   LD      drivers/usb/storage/built-in.o[ALL  ]   CC      drivers/usb/usb-common.o[ALL  ]   LD      drivers/usb/otg/built-in.o[ALL  ]   LD      drivers/usb/host/built-in.o[ALL  ]   LD      drivers/usb/built-in.o[ALL  ]   LD      drivers/built-in.o[ALL  ]   LINK    vmlinux[ALL  ]   LD      vmlinux.o[ALL  ]   MODPOST vmlinux.o[WARN ] WARNING: modpost: Found 1 section mismatch(es).[ALL  ] To see full details build your kernel with:[ALL  ] 'make CONFIG_DEBUG_SECTION_MISMATCH=y'[ALL  ]   GEN     .version[ALL  ]   CHK     include/generated/compile.h[ALL  ]   UPD     include/generated/compile.h[ALL  ]   CC      init/version.o[ALL  ]   LD      init/built-in.o[ALL  ]   LD      vmlinux[ALL  ] `xemacps_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.exit.text' of drivers/built-in.o[ALL  ] `xwdtps_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.exit.text' of drivers/built-in.o[ERROR] make[3]: *** [vmlinux] Error 1[ERROR] make[2]: *** [sub-make] Error 2[ALL  ] make[2]: Leaving directory `/home/suheb/New/petalinux-v2013.10-final/components/linux-kernel/xlnx-3.8'[ERROR] make[1]: *** [/home/bacup_5april/Xilinx-ZC702-14.7/build/linux/kernel/xlnx-3.8/vmlinux] Error 2[ALL  ] make[1]: Leaving directory `/home/bacup_5april/Xilinx-ZC702-14.7/build/linux/kernel'[ALL  ] make: *** [sub_build_component_/kernel/linux-kernel/single/xlnx-3.8] Error 2[ALL  ] make: Leaving directory `/home/bacup_5april/Xilinx-ZC702-14.7/build/linux'ERROR: Failed to build linuxIt is not giving clear idea of what is wrong ? This error started coming when I made some chnages in configuration fof kernel (specifically removed SMP support ) 
ERROR: Failed to build linux
linux;configure