提交 d04dfc4c 编写于 作者: M Mike Frysinger 提交者: Bryan Wu

Blackfin arch: cplb mananger: use a do...while loop rather than a for loop

use a do...while loop rather than a for loop to get slightly better
optimization and to avoid gcc "may be used uninitialized" warnings ...
we know that the [id]cplb_nr_bounds variables will never be 0, so this
is OK
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>
上级 bf324cb8
......@@ -163,12 +163,14 @@ MGR_ATTR static int icplb_miss(int cpu)
nr_icplb_supv_miss[cpu]++;
base = 0;
for (idx = 0; idx < icplb_nr_bounds; idx++) {
idx = 0;
do {
eaddr = icplb_bounds[idx].eaddr;
if (addr < eaddr)
break;
base = eaddr;
}
} while (++idx < icplb_nr_bounds);
if (unlikely(idx == icplb_nr_bounds))
return CPLB_NO_ADDR_MATCH;
......@@ -208,12 +210,14 @@ MGR_ATTR static int dcplb_miss(int cpu)
nr_dcplb_supv_miss[cpu]++;
base = 0;
for (idx = 0; idx < dcplb_nr_bounds; idx++) {
idx = 0;
do {
eaddr = dcplb_bounds[idx].eaddr;
if (addr < eaddr)
break;
base = eaddr;
}
} while (++idx < dcplb_nr_bounds);
if (unlikely(idx == dcplb_nr_bounds))
return CPLB_NO_ADDR_MATCH;
......
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