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authorGavin Shan <gshan@redhat.com>2022-10-20 15:12:05 +0800
committerMarc Zyngier <maz@kernel.org>2022-11-10 18:56:15 +0000
commit2aae5e6795e1407334bb849f96f11c9051b959e2 (patch)
tree9996a69f01cbb3a1a5d3ae5445ae5d5ff75ffa69 /tools/testing/selftests/kvm/memslot_perf_test.c
parent3bfadb2325891d122771ce534336af531e93d7b2 (diff)
KVM: selftests: memslot_perf_test: Consolidate loop conditions in prepare_vm()
There are two loops in prepare_vm(), which have different conditions. 'slot' is treated as meory slot index in the first loop, but index of the host virtual address array in the second loop. It makes it a bit hard to understand the code. Change the usage of 'slot' in the second loop, to treat it as the memory slot index either. No functional change intended. Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221020071209.559062-3-gshan@redhat.com
Diffstat (limited to 'tools/testing/selftests/kvm/memslot_perf_test.c')
-rw-r--r--tools/testing/selftests/kvm/memslot_perf_test.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/testing/selftests/kvm/memslot_perf_test.c b/tools/testing/selftests/kvm/memslot_perf_test.c
index 231cc8449c2e..dcb492b3f27b 100644
--- a/tools/testing/selftests/kvm/memslot_perf_test.c
+++ b/tools/testing/selftests/kvm/memslot_perf_test.c
@@ -297,21 +297,20 @@ static bool prepare_vm(struct vm_data *data, int nslots, uint64_t *maxslots,
}
*slot_runtime = timespec_elapsed(tstart);
- for (slot = 0, guest_addr = MEM_GPA; slot < data->nslots; slot++) {
+ for (slot = 1, guest_addr = MEM_GPA; slot <= data->nslots; slot++) {
uint64_t npages;
uint64_t gpa;
npages = data->pages_per_slot;
- if (slot == data->nslots - 1)
+ if (slot == data->nslots)
npages += rempages;
- gpa = vm_phy_pages_alloc(data->vm, npages, guest_addr,
- slot + 1);
+ gpa = vm_phy_pages_alloc(data->vm, npages, guest_addr, slot);
TEST_ASSERT(gpa == guest_addr,
"vm_phy_pages_alloc() failed\n");
- data->hva_slots[slot] = addr_gpa2hva(data->vm, guest_addr);
- memset(data->hva_slots[slot], 0, npages * 4096);
+ data->hva_slots[slot - 1] = addr_gpa2hva(data->vm, guest_addr);
+ memset(data->hva_slots[slot - 1], 0, npages * 4096);
guest_addr += npages * 4096;
}