KVM: introduce __kvm_io_bus_sort_cmp
kvm_io_bus_sort_cmp is used also directly, not just as a callback for
sort and bsearch. In these cases, it is handy to have a type-safe
variant. This patch introduces such a variant, __kvm_io_bus_sort_cmp,
and uses it throughout kvm_main.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a86735d..c6c8bbe 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2815,11 +2815,9 @@
kfree(bus);
}
-static int kvm_io_bus_sort_cmp(const void *p1, const void *p2)
+static inline int __kvm_io_bus_sort_cmp(const struct kvm_io_range *r1,
+ const struct kvm_io_range *r2)
{
- const struct kvm_io_range *r1 = p1;
- const struct kvm_io_range *r2 = p2;
-
if (r1->addr < r2->addr)
return -1;
if (r1->addr + r1->len > r2->addr + r2->len)
@@ -2827,6 +2825,11 @@
return 0;
}
+static int kvm_io_bus_sort_cmp(const void *p1, const void *p2)
+{
+ return __kvm_io_bus_sort_cmp(p1, p2);
+}
+
static int kvm_io_bus_insert_dev(struct kvm_io_bus *bus, struct kvm_io_device *dev,
gpa_t addr, int len)
{
@@ -2860,7 +2863,7 @@
off = range - bus->range;
- while (off > 0 && kvm_io_bus_sort_cmp(&key, &bus->range[off-1]) == 0)
+ while (off > 0 && __kvm_io_bus_sort_cmp(&key, &bus->range[off-1]) == 0)
off--;
return off;
@@ -2876,7 +2879,7 @@
return -EOPNOTSUPP;
while (idx < bus->dev_count &&
- kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
+ __kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
if (!kvm_iodevice_write(bus->range[idx].dev, range->addr,
range->len, val))
return idx;
@@ -2920,7 +2923,7 @@
/* First try the device referenced by cookie. */
if ((cookie >= 0) && (cookie < bus->dev_count) &&
- (kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
+ (__kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
if (!kvm_iodevice_write(bus->range[cookie].dev, addr, len,
val))
return cookie;
@@ -2942,7 +2945,7 @@
return -EOPNOTSUPP;
while (idx < bus->dev_count &&
- kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
+ __kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
if (!kvm_iodevice_read(bus->range[idx].dev, range->addr,
range->len, val))
return idx;
@@ -2986,7 +2989,7 @@
/* First try the device referenced by cookie. */
if ((cookie >= 0) && (cookie < bus->dev_count) &&
- (kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
+ (__kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
if (!kvm_iodevice_read(bus->range[cookie].dev, addr, len,
val))
return cookie;