linux内核编译错误之交叉编译错误

 　　错误：,　　arch/arm/mm/alignment.c: In function proc_alignment_write:,　　arch/arm/mm/alignment.c:119: error: read-only variable __r2 used as asm output,　　arch/arm/mm/alignment.c:119: error: read-only variable __r2 used as asm output,　　arch/arm/mm/alignment.c:119: error: read-only variable __r2 used as asm output,　　arch/arm/mm/alignment.c:119: error: read-only variable __r2 used as asm output,　　make[1]: *** [arch/arm/mm/alignment.o] 错误 1,　　make: *** [arch/arm/mm] 错误 2,　　解决办法：选择较低版本的交叉编译器，比如3.4.1。,