linux内核编译错误:error: read-only variable '__r2' used as 'asm' output

linux内核编译错误:error: read-only variable '__r2' used as 'asm' output
内核版本:2.6.14
交叉编译器:arm-linux-gcc 4.3.3
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。

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