PTEVADDR 101 include/asm-xtensa/tlbflush.h __asm__ __volatile__(" wsr %0, "__stringify(PTEVADDR)"; isync\n" PTEVADDR 108 include/asm-xtensa/tlbflush.h __asm__ __volatile__("rsr %0, "__stringify(PTEVADDR)"\n\t" : "=a" (tmp));