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27 lines
541 B
27 lines
541 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Code for supporting irq vector tracepoints. |
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* |
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* Copyright (C) 2013 Seiji Aguchi <[email protected]> |
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* |
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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/hw_irq.h> |
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#include <asm/desc.h> |
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#include <asm/trace/exceptions.h> |
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#include <asm/trace/irq_vectors.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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