下面是出错代码
root@coolfire:/usr/src/linux# make bzImage
scripts/split-include include/linux/autoconf.h include/config
gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 -march=i686   -DKBUILD_BASENAME=main -c -o init/main.o init/main.c
In file included from /usr/src/linux/include/linux/prefetch.h:13,
                 from /usr/src/linux/include/linux/list.h:6,
                 from /usr/src/linux/include/linux/wait.h:14,
                 from /usr/src/linux/include/linux/fs.h:12,
                 from /usr/src/linux/include/linux/capability.h:17,
                 from /usr/src/linux/include/linux/binfmts.h:5,
                 from /usr/src/linux/include/linux/sched.h:9,
                 from /usr/src/linux/include/linux/mm.h:4,
                 from /usr/src/linux/include/linux/slab.h:14,
                 from /usr/src/linux/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux/include/asm/processor.h:73: ??: ??????????
In file included from /usr/src/linux/include/linux/fs.h:201,
                 from /usr/src/linux/include/linux/capability.h:17,
                 from /usr/src/linux/include/linux/binfmts.h:5,
                 from /usr/src/linux/include/linux/sched.h:9,
                 from /usr/src/linux/include/linux/mm.h:4,
                 from /usr/src/linux/include/linux/slab.h:14,
                 from /usr/src/linux/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux/include/asm/byteorder.h:14: ??: ?????????????
/usr/src/linux/include/asm/byteorder.h:28: ??: ?????????????
In file included from /usr/src/linux/include/linux/byteorder/little_endian.h:11,
                 from /usr/src/linux/include/asm/byteorder.h:45,
                 from /usr/src/linux/include/linux/fs.h:201,
                 from /usr/src/linux/include/linux/capability.h:17,
                 from /usr/src/linux/include/linux/binfmts.h:5,
                 from /usr/src/linux/include/linux/sched.h:9,
                 from /usr/src/linux/include/linux/mm.h:4,
                 from /usr/src/linux/include/linux/slab.h:14,
                 from /usr/src/linux/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux/include/linux/byteorder/swab.h:132: ??: ?????????????
/usr/src/linux/include/linux/byteorder/swab.h:145: ??: ?????????????
/usr/src/linux/include/linux/byteorder/swab.h:159: ??: ?????????????
In file included from /usr/src/linux/include/linux/sched.h:23,
                 from /usr/src/linux/include/linux/mm.h:4,
                 from /usr/src/linux/include/linux/slab.h:14,
                 from /usr/src/linux/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux/include/linux/smp.h:29: ??: 'smp_send_reschedule' ????
/usr/src/linux/include/asm/smp.h:65: ??: 'smp_send_reschedule' ????????
In file included from /usr/src/linux/include/linux/unistd.h:9,
                 from init/main.c:17:
/usr/src/linux/include/asm/unistd.h:360: ??: ???? '_exit' ????
make: *** [init/main.o] Error 1

我以前make bzImage的时候，最后一步出错是经常的;

常规解决方法:make clean// again
重新make menuconfig// 以前不喜欢xconfig

顺便问一下：lz编译内核是干哈的啊~~~~~~

内核参数设置错误，如果你机器没有多CPU，就去掉smp选项
Symmetric multi-processing support