SR_NX 24 arch/powerpc/include/asm/book3s/32/kup.h oris \gpr1, \gpr1, SR_NX@h /* set Nx */ SR_NX 35 arch/powerpc/include/asm/book3s/32/kup.h rlwinm \gpr1, \gpr1, 0, ~SR_NX /* Clear Nx */