_THREAD_MASK      281 arch/mips/include/asm/stackframe.h 		ori	$28, sp, _THREAD_MASK
_THREAD_MASK      282 arch/mips/include/asm/stackframe.h 		xori	$28, _THREAD_MASK
_THREAD_MASK      104 arch/mips/kernel/asm-offsets.c 	DEFINE(_THREAD_MASK, THREAD_MASK);