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Diffstat (limited to 'tools/testing/selftests/kvm/include/perf_test_util.h')
-rw-r--r--tools/testing/selftests/kvm/include/perf_test_util.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/tools/testing/selftests/kvm/include/perf_test_util.h b/tools/testing/selftests/kvm/include/perf_test_util.h
index 05eeb5d2bfc4..2618052057b1 100644
--- a/tools/testing/selftests/kvm/include/perf_test_util.h
+++ b/tools/testing/selftests/kvm/include/perf_test_util.h
@@ -76,16 +76,18 @@ static void guest_code(uint32_t vcpu_id)
gva = vcpu_args->gva;
pages = vcpu_args->pages;
- for (i = 0; i < pages; i++) {
- uint64_t addr = gva + (i * perf_test_args.guest_page_size);
+ while (true) {
+ for (i = 0; i < pages; i++) {
+ uint64_t addr = gva + (i * perf_test_args.guest_page_size);
- if (i % perf_test_args.wr_fract == 0)
- *(uint64_t *)addr = 0x0123456789ABCDEF;
- else
- READ_ONCE(*(uint64_t *)addr);
- }
+ if (i % perf_test_args.wr_fract == 0)
+ *(uint64_t *)addr = 0x0123456789ABCDEF;
+ else
+ READ_ONCE(*(uint64_t *)addr);
+ }
- GUEST_SYNC(1);
+ GUEST_SYNC(1);
+ }
}
static struct kvm_vm *create_vm(enum vm_guest_mode mode, int vcpus,