linux核心編譯錯誤之交叉編譯錯誤

 　　錯誤：

　　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] 錯誤 1

　　make: *** [arch/arm/mm] 錯誤 2

　　解決辦法：選擇較低版本的交叉編譯器，比如3.4.1。