cp4 170 arch/xtensa/include/asm/elf.h xtregs_cp4_t cp4; cp4 40 arch/xtensa/include/asm/thread_info.h xtregs_cp4_t cp4; cp4 101 arch/xtensa/kernel/asm-offsets.c DEFINE(THREAD_XTREGS_CP4, offsetof(struct thread_info, xtregs_cp.cp4)); cp4 140 arch/xtensa/kernel/ptrace.c newregs->cp4 = ti->xtregs_cp.cp4; cp4 180 arch/xtensa/kernel/ptrace.c ti->xtregs_cp.cp4 = newregs->cp4;