KSP_WORD_OFF       21 arch/arc/kernel/ctx_sw.c #define KSP_WORD_OFF 	((TASK_THREAD + THREAD_KSP) / 4)
KSP_WORD_OFF       14 arch/arc/kernel/ctx_sw_asm.S #define KSP_WORD_OFF 	((TASK_THREAD + THREAD_KSP) / 4)