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27 lines
657 B
27 lines
657 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (C) 2022 Changbin Du <[email protected]> |
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*/ |
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#include <linux/irqflags.h> |
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#include <linux/kprobes.h> |
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#include "trace_irq.h" |
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/* |
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* trace_hardirqs_on/off require the caller to setup frame pointer properly. |
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* Otherwise, CALLER_ADDR1 might trigger an pagging exception in kernel. |
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* Here we add one extra level so they can be safely called by low |
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* level entry code which $fp is used for other purpose. |
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*/ |
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void __trace_hardirqs_on(void) |
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{ |
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trace_hardirqs_on(); |
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} |
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NOKPROBE_SYMBOL(__trace_hardirqs_on); |
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void __trace_hardirqs_off(void) |
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{ |
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trace_hardirqs_off(); |
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} |
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NOKPROBE_SYMBOL(__trace_hardirqs_off);
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