From: Stefano Garzarella If the last test fails, the other side still completes correctly, which could lead to false positives. Let's add a final barrier that ensures that the last test has finished correctly on both sides, but also that the two sides agree on the number of tests to be performed. Fixes: 2f65b44e199c ("VSOCK: add full barrier between test cases") Reviewed-by: Luigi Leonardi Signed-off-by: Stefano Garzarella --- v2: - code unchanged from v1 - target net tree and add fixes tag [Paolo] - added Luigi's R-b v1: https://lore.kernel.org/netdev/20251223162210.43976-1-sgarzare@redhat.com/ --- tools/testing/vsock/util.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/testing/vsock/util.c b/tools/testing/vsock/util.c index d843643ced6b..9430ef5b8bc3 100644 --- a/tools/testing/vsock/util.c +++ b/tools/testing/vsock/util.c @@ -511,6 +511,18 @@ void run_tests(const struct test_case *test_cases, printf("ok\n"); } + + printf("All tests have been executed. Waiting other peer..."); + fflush(stdout); + + /* + * Final full barrier, to ensure that all tests have been run and + * that even the last one has been successful on both sides. + */ + control_writeln("COMPLETED"); + control_expectln("COMPLETED"); + + printf("ok\n"); } void list_tests(const struct test_case *test_cases) -- 2.52.0