THREAD_MASK 15 arch/csky/kernel/dumpstack.c addr = (unsigned long) stack & THREAD_MASK; THREAD_MASK 31 arch/csky/kernel/stacktrace.c addr = (unsigned long) fp & THREAD_MASK; THREAD_MASK 104 arch/mips/kernel/asm-offsets.c DEFINE(_THREAD_MASK, THREAD_MASK); THREAD_MASK 80 arch/mips/kernel/irq.c sp &= THREAD_MASK;