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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>
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@ -2815,11 +2815,9 @@ static void kvm_io_bus_destroy(struct kvm_io_bus *bus)
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kfree(bus);
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}
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static int kvm_io_bus_sort_cmp(const void *p1, const void *p2)
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static inline int __kvm_io_bus_sort_cmp(const struct kvm_io_range *r1,
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const struct kvm_io_range *r2)
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{
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const struct kvm_io_range *r1 = p1;
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const struct kvm_io_range *r2 = p2;
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if (r1->addr < r2->addr)
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return -1;
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if (r1->addr + r1->len > r2->addr + r2->len)
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@ -2827,6 +2825,11 @@ static int kvm_io_bus_sort_cmp(const void *p1, const void *p2)
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return 0;
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}
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static int kvm_io_bus_sort_cmp(const void *p1, const void *p2)
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{
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return __kvm_io_bus_sort_cmp(p1, p2);
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}
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static int kvm_io_bus_insert_dev(struct kvm_io_bus *bus, struct kvm_io_device *dev,
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gpa_t addr, int len)
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{
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@ -2860,7 +2863,7 @@ static int kvm_io_bus_get_first_dev(struct kvm_io_bus *bus,
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off = range - bus->range;
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while (off > 0 && kvm_io_bus_sort_cmp(&key, &bus->range[off-1]) == 0)
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while (off > 0 && __kvm_io_bus_sort_cmp(&key, &bus->range[off-1]) == 0)
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off--;
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return off;
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@ -2876,7 +2879,7 @@ static int __kvm_io_bus_write(struct kvm_io_bus *bus,
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return -EOPNOTSUPP;
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while (idx < bus->dev_count &&
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kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
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__kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
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if (!kvm_iodevice_write(bus->range[idx].dev, range->addr,
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range->len, val))
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return idx;
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@ -2920,7 +2923,7 @@ int kvm_io_bus_write_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
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/* First try the device referenced by cookie. */
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if ((cookie >= 0) && (cookie < bus->dev_count) &&
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(kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
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(__kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
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if (!kvm_iodevice_write(bus->range[cookie].dev, addr, len,
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val))
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return cookie;
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@ -2942,7 +2945,7 @@ static int __kvm_io_bus_read(struct kvm_io_bus *bus, struct kvm_io_range *range,
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return -EOPNOTSUPP;
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while (idx < bus->dev_count &&
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kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
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__kvm_io_bus_sort_cmp(range, &bus->range[idx]) == 0) {
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if (!kvm_iodevice_read(bus->range[idx].dev, range->addr,
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range->len, val))
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return idx;
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@ -2986,7 +2989,7 @@ int kvm_io_bus_read_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
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/* First try the device referenced by cookie. */
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if ((cookie >= 0) && (cookie < bus->dev_count) &&
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(kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
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(__kvm_io_bus_sort_cmp(&range, &bus->range[cookie]) == 0))
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if (!kvm_iodevice_read(bus->range[cookie].dev, addr, len,
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val))
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return cookie;
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