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-rw-r--r--arch/parisc/kernel/process.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index ad585fd7748..029831dfce3 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -46,14 +46,15 @@
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/kallsyms.h>
+#include <linux/uaccess.h>
#include <asm/io.h>
#include <asm/asm-offsets.h>
#include <asm/pdc.h>
#include <asm/pdc_chassis.h>
#include <asm/pgalloc.h>
-#include <asm/uaccess.h>
#include <asm/unwind.h>
+#include <asm/sections.h>
/*
* The idle thread. There's no useful work to be
@@ -390,3 +391,15 @@ get_wchan(struct task_struct *p)
} while (count++ < 16);
return 0;
}
+
+#ifdef CONFIG_64BIT
+void *dereference_function_descriptor(void *ptr)
+{
+ Elf64_Fdesc *desc = ptr;
+ void *p;
+
+ if (!probe_kernel_address(&desc->addr, p))
+ ptr = p;
+ return ptr;
+}
+#endif