From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8AB9938A726 for ; Wed, 24 Jun 2026 07:02:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782284547; cv=none; b=iP65gri5AxV25IfN4oNeNNHjMjuXDpP24AhjXZZR6jItZYeAQaktRcs5dVjAsbylwKSyK3uCsxVPzpJo9lV/O+ZqSRzazNmGfPCxe62jk3HYc/bFxBaRdqAsPZdPXZ0mz5EgKiuh3/kEBcFQnaLvXH5DjFLTHD0l0pSIJ27MW0s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782284547; c=relaxed/simple; bh=zFabr8Fzw4Bl5uw0Qs8RmWGhEjYWS5vtb8gjejcS818=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=DaNlpn8Ys93DU40AYC2dSKtyEB8kopFtdeHKpfqEy0P6u47Xa5sqpw/aDomdnzwvABGVEr3X8P91cpnniuj9CyTND8J30UUhlXycsTTpI3W3pF6M4di2aF1ymqWZtKIts836rBZs/3nawtPKUgzHo2W8o8p4q+XfGoC6Y8oFUiM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--wakel.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=ZnNZYxy1; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--wakel.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ZnNZYxy1" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-37c9d82cd57so641595a91.1 for ; Wed, 24 Jun 2026 00:02:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1782284545; x=1782889345; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=X0xSm0DnCMbD3nKdTY9I70C6lo4EhCK54JQTp8qUETk=; b=ZnNZYxy1T2DTSLB4nO+J7wfUy3BQOlQ5qhemPHvDc3iWe1tsEoUu+GAEitbhc3ozaE PwnvigxGuxQ74rA0sHz8/C6rQHnEDFSnLvIlzK6lrD10Gw3E3F3n8H8MkWhBYrPiK/W0 Y6Hxi/IlZbPcNSx90fb2VMDI9wJ72+y6owThJn4y8aQ1jNc+2x6b8x8OLzGVM9604Zd7 PJEOeLLwWqlftTX8W5uM9XEcxl2C5A9tJAIsfcNuUXuyeMLWdGAc3+Jjjf+GP/7vyn1Q o2IQeqarToEulNbVxAUXXtDGPi6km1hdQKoKFUgoGir8RiWuahuGVQWNstE5BUHZJnbj MjfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782284545; x=1782889345; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=X0xSm0DnCMbD3nKdTY9I70C6lo4EhCK54JQTp8qUETk=; b=AXvAFzG67/q1ORAXMBmPf8pFFkDHyG0Z1L/YE0rtCY+d8E/KJejXyoZmHWZ4zTAkxH GJzbnSH7qW+opjwWgEBWDFuUTIS7R+j4uEj1/VumYspnSh5C7l7qsGsQo5OFh72Jc0ql LaYbCcWTNrRScvuuRIeYxxCxMoqqzk1WgOK/X6oGabpcliBaFnknceDs7AMLV0Ual8Ab K/PlTxxXkHSnEPd7F0Vr5y/Pe+oBe4BsS1H3UupHKY/mdOJ88OEcMKvDqdG7Xg/IQ+P9 a1mq5wN/P0ErIFLBfSHzY+pNhbyYeJlx646JKsGcHZpREnKFc0oJOTgR7drwVBz+6LSd 5wRQ== X-Forwarded-Encrypted: i=1; AHgh+Rrtjp2e+TmElU3171G7warAt5aoGXRjLV1LLLSJymwZCT6KcIpN9d96tLYWfmvP0UgR3z26VYK5YV3/wng=@vger.kernel.org X-Gm-Message-State: AOJu0YzFeJ95LjeJT1589f3JhgyJ9uylqLTuMVlKl/tawanh6I5Wj4yX 9rm3qCML0o/W/YNdH41iBbRUHXfC8L3m6+i+uIsgaI24TbhUuzsMKyp8Y7/cnz1LpzJzF82AO/i nEg== X-Received: from pjyl11.prod.google.com ([2002:a17:90a:ec0b:b0:37c:6982:b9df]) (user=wakel job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:5241:b0:36d:8f51:fe29 with SMTP id 98e67ed59e1d1-37de4288fd4mr2263478a91.17.1782284545404; Wed, 24 Jun 2026 00:02:25 -0700 (PDT) Date: Wed, 24 Jun 2026 07:02:23 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.55.0.rc0.799.gd6f94ed593-goog Message-ID: <20260624070223.1533167-1-wakel@google.com> Subject: [PATCH] selftests/futex: Dynamically skip unsupported tests From: Wake Liu To: Shuah Khan Cc: Thomas Gleixner , Peter Zijlstra , Ingo Molnar , Darren Hart , Davidlohr Bueso , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Wake Liu Content-Type: text/plain; charset="UTF-8" Some new futex tests rely on kernel features that may not be supported on all configurations (e.g., FUTEX2_NUMA or PR_FUTEX_HASH). Currently, these tests fail with EINVAL when the features are missing. This patch adds dynamic skip logic to: 1. futex_priv_hash: Skip if PR_FUTEX_HASH returns ENOSYS or EINVAL. 2. futex_numa_mpol: Skip if futex2 or FUTEX2_NUMA returns ENOSYS or EINVAL. This allows the tests to pass (as SKIPPED) on kernels without support, while preserving coverage on configurations that do support them. Signed-off-by: Wake Liu --- tools/testing/selftests/futex/functional/futex_numa_mpol.c | 2 ++ tools/testing/selftests/futex/functional/futex_priv_hash.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/tools/testing/selftests/futex/functional/futex_numa_mpol.c b/tools/testing/selftests/futex/functional/futex_numa_mpol.c index 78c0f7a59e17..d215acf88120 100644 --- a/tools/testing/selftests/futex/functional/futex_numa_mpol.c +++ b/tools/testing/selftests/futex/functional/futex_numa_mpol.c @@ -103,6 +103,8 @@ static void __test_futex(void *futex_ptr, int err_value, unsigned int futex_flag break; } if (ret < 0) { + if (errno == ENOSYS || (errno == EINVAL && (futex_flags & FUTEX2_NUMA))) + ksft_exit_skip("futex2 or FUTEX2_NUMA not supported by kernel\n"); ksft_exit_fail_msg("Failed futex2_wake(%d, 0x%x): %m\n", to_wake, futex_flags); } diff --git a/tools/testing/selftests/futex/functional/futex_priv_hash.c b/tools/testing/selftests/futex/functional/futex_priv_hash.c index e8079d7c65e8..27c3ea5ff3ed 100644 --- a/tools/testing/selftests/futex/functional/futex_priv_hash.c +++ b/tools/testing/selftests/futex/functional/futex_priv_hash.c @@ -145,6 +145,8 @@ TEST(priv_hash) } /* First thread, expect to be 0, not yet initialized */ ret = futex_hash_slots_get(); + if (ret < 0 && errno == EINVAL) + ksft_exit_skip("PR_FUTEX_HASH not supported by kernel\n"); if (ret != 0) ksft_exit_fail_msg("futex_hash_slots_get() failed: %d, %m\n", ret); -- 2.55.0.rc0.799.gd6f94ed593-goog