XSTATE_WARN_ON 565 arch/x86/kernel/fpu/xstate.c XSTATE_WARN_ON(1); XSTATE_WARN_ON 589 arch/x86/kernel/fpu/xstate.c XSTATE_WARN_ON(xfeature_is_supervisor(i)); XSTATE_WARN_ON 608 arch/x86/kernel/fpu/xstate.c XSTATE_WARN_ON(paranoid_xstate_size != fpu_kernel_xstate_size);