READ_ONCE_TASK_STACK 248 arch/x86/kernel/unwind_frame.c addr = READ_ONCE_TASK_STACK(state->task, *addr_p); READ_ONCE_TASK_STACK 307 arch/x86/kernel/unwind_frame.c next_bp = (unsigned long *)READ_ONCE_TASK_STACK(state->task, *state->bp);