// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2013 Seiji Aguchi <seiji.aguchi@hds.com> */ #include <linux/jump_label.h> #include <linux/atomic.h> #include <asm/trace/exceptions.h> DEFINE_STATIC_KEY_FALSE(trace_pagefault_key); int trace_pagefault_reg(void) { static_branch_inc(&trace_pagefault_key); return 0; } void trace_pagefault_unreg(void) { static_branch_dec(&trace_pagefault_key); }