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Diffstat (limited to 'arch/ia64/mm/extable.c')
-rw-r--r--arch/ia64/mm/extable.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c
index 71c50dd8f87..c99a41e29fe 100644
--- a/arch/ia64/mm/extable.c
+++ b/arch/ia64/mm/extable.c
@@ -8,7 +8,7 @@
#include <linux/sort.h>
#include <asm/uaccess.h>
-#include <asm/module.h>
+#include <linux/module.h>
static int cmp_ex(const void *a, const void *b)
{
@@ -53,6 +53,32 @@ void sort_extable (struct exception_table_entry *start,
cmp_ex, swap_ex);
}
+static inline unsigned long ex_to_addr(const struct exception_table_entry *x)
+{
+ return (unsigned long)&x->addr + x->addr;
+}
+
+#ifdef CONFIG_MODULES
+/*
+ * Any entry referring to the module init will be at the beginning or
+ * the end.
+ */
+void trim_init_extable(struct module *m)
+{
+ /*trim the beginning*/
+ while (m->num_exentries &&
+ within_module_init(ex_to_addr(&m->extable[0]), m)) {
+ m->extable++;
+ m->num_exentries--;
+ }
+ /*trim the end*/
+ while (m->num_exentries &&
+ within_module_init(ex_to_addr(&m->extable[m->num_exentries-1]),
+ m))
+ m->num_exentries--;
+}
+#endif /* CONFIG_MODULES */
+
const struct exception_table_entry *
search_extable (const struct exception_table_entry *first,
const struct exception_table_entry *last,