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Add 'kernel_read' wrapper for kernels < v4.14
[lttng-modules.git]
/
wrapper
/
irqdesc.c
diff --git
a/wrapper/irqdesc.c
b/wrapper/irqdesc.c
index 1d6e2890d395a4b5f189cf06a73aab67407fa41e..02c44c8001abe3273fe54d9681ed6a91dbc386ad 100644
(file)
--- a/
wrapper/irqdesc.c
+++ b/
wrapper/irqdesc.c
@@
-4,12
+4,16
@@
*
* wrapper around irq_to_desc. Using KALLSYMS to get its address when
* available, else we need to have a kernel that exports this function to GPL
*
* wrapper around irq_to_desc. Using KALLSYMS to get its address when
* available, else we need to have a kernel that exports this function to GPL
- * modules.
+ * modules.
This export was added to the 3.4 kernels.
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
-#ifdef CONFIG_KALLSYMS
+#include <lttng-kernel-version.h>
+#include <linux/module.h>
+
+#if (defined(CONFIG_KALLSYMS) \
+ && (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)))
#include <linux/kallsyms.h>
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
#include <linux/interrupt.h>
@@
-31,6
+35,7
@@
struct irq_desc *wrapper_irq_to_desc(unsigned int irq)
return NULL;
}
}
return NULL;
}
}
+EXPORT_SYMBOL_GPL(wrapper_irq_to_desc);
#else
#else
@@
-41,5
+46,6
@@
struct irq_desc *wrapper_irq_to_desc(unsigned int irq)
{
return irq_to_desc(irq);
}
{
return irq_to_desc(irq);
}
+EXPORT_SYMBOL_GPL(wrapper_irq_to_desc);
#endif
#endif
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