x28               678 arch/arm64/include/asm/assembler.h 	__frame_regs	x27, x28, \op, 9
x28               119 arch/arm64/include/asm/processor.h 	unsigned long x28;
x28               144 arch/arm64/kernel/kgdb.c 	gdb_regs[28] = cpu_context->x28;