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