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parisc: use sort() instead of home-made implementation (v2)

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Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Randolph Chung <tausq@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
This commit is contained in:
Helge Deller 2009-11-06 23:07:42 +00:00 committed by Kyle McMartin
parent 11e178091f
commit 8f78df872d
1 changed files with 9 additions and 14 deletions
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23
arch/parisc/kernel/unwind.c
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@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/kallsyms.h>
#include <linux/sort.h>
#include <asm/uaccess.h>
#include <asm/assembly.h>
@ -115,24 +116,18 @@ unwind_table_init(struct unwind_table *table, const char *name,
}
}
static int cmp_unwind_table_entry(const void *a, const void *b)
{
return ((const struct unwind_table_entry *)a)->region_start
- ((const struct unwind_table_entry *)b)->region_start;
}
static void
unwind_table_sort(struct unwind_table_entry *start,
struct unwind_table_entry *finish)
{
struct unwind_table_entry el, *p, *q;
for (p = start + 1; p < finish; ++p) {
if (p[0].region_start < p[-1].region_start) {
el = *p;
q = p;
do {
q[0] = q[-1];
--q;
} while (q > start &&
el.region_start < q[-1].region_start);
*q = el;
}
}
sort(start, finish - start, sizeof(struct unwind_table_entry),
cmp_unwind_table_entry, NULL);
}
struct unwind_table *