| Message ID | 20241211193706.469817-3-mlevitsk@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | KVM: selftests: dirty_log_test: fixes for running the test nested | expand |
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index aacf80f57439..f60e2aceeae0 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -98,6 +98,7 @@ static void guest_code(void) uint64_t addr; int i; +#ifdef __s390x__ /* * On s390x, all pages of a 1M segment are initially marked as dirty * when a page of the segment is written to for the very first time. @@ -108,6 +109,7 @@ static void guest_code(void) addr = guest_test_virt_mem + i * guest_page_size; vcpu_arch_put_guest(*(uint64_t *)addr, READ_ONCE(iteration)); } +#endif while (true) { for (i = 0; i < TEST_PAGES_PER_LOOP; i++) {
s390 specific workaround causes the dirty-log mode of the test to dirty all the guest memory on the first iteration which is very slow when run nested. Limit this workaround to s390x. Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> --- tools/testing/selftests/kvm/dirty_log_test.c | 2 ++ 1 file changed, 2 insertions(+)