Linux內核編譯錯誤：error: read-only variable __r2 used as asm output

Linux內核版本：2.6.14
交叉編譯器：arm-linux-gcc 4.3.3

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。