From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (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 50C6A3F4DD0 for ; Wed, 22 Jul 2026 16:52:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784739128; cv=none; b=C8eFkLl7Q8rDmEZZfOrhu/LgUyIwYr90153V9VXrkqLTVdS3h3aaexfQuhX0eJTGOsfQlG8RrUoJzAICJdVAZoOAvj71CmftE4BT0sNjoS4IMh3B0y6K+rv3NyS984vASyrbdMWzVAHFFq5J+yjyP6alyQDw7PZtTtMPoh/AQBE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784739128; c=relaxed/simple; bh=FCpfcM+nT4aR46CkZhE83zlD19BADWSaL+1+/WtmNO8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XjfsBhO4ENxRqXg9s175F9S2R038DdyO55AcWSOTeY383c0XBjm93lJwmhnOgf9VadQKVGzif/oRUVORE8hz/7EjQ2//eDAI0mBsSZ8JmQyw1OKQbtMnSHoQ4ruu+DmYHxR3ErkIvOolYMohBv2uwbS+XZmFHdtzodPqVh6ykLM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=UFzqwuai; arc=none smtp.client-ip=209.85.214.174 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=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="UFzqwuai" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-2cab97c86bdso9665ad.1 for ; Wed, 22 Jul 2026 09:52:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1784739123; x=1785343923; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :content-type:mime-version:references:message-id:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to:content-type; bh=pRkas0M1ny2EvNaHC3azwt0fIUYZNjvZg2vzKttAMCM=; b=UFzqwuaiknAa/UoJEXHZyzyfI8PsGY3cBnc7/d7P4c+Rn5hho4XYwZBdSUBz4WRY8s WQOg/uLM02MvVWMKL7lmBXCPYsHMHvM+pJ6gbxYU8x1oEQqgma88jw0VNmEYe002+/NG GgQZGfEBLbqmoqvnj0IwLZCjalqJSE7zoei/7HP5quOzkaRblW22zuIjCfCjFAleJcty 9SHrPaBoIZ84MJtXLDTuGCinORC2fFAqyZzvcWtnRU4s5Abi93+2jVXfyuxR2j1LsZez RVQdE9FHLdAXhXxFL+GW+QyeGLpCQlSC9ybyv8CjOQKsASOJMJd/To+3jDmegpagKol4 cWfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784739123; x=1785343923; h=in-reply-to:content-transfer-encoding:content-disposition :content-type:mime-version:references:message-id:subject:cc:to:from :date:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=pRkas0M1ny2EvNaHC3azwt0fIUYZNjvZg2vzKttAMCM=; b=tPWr459Qqsrutgt+kSXspGd5tMgASPNtFuasFnpcdzbElie72W/fAPKtzLQ6cmTs0L 3RZB+AY9pUsGVlXWuCTIGshBmZD2Xod8Qac03wJSxlgn3oGCbednkFQL9q7durziwuj+ TXz0SHNcGezZ34mqiwQaWy+CXiFg1jyP9/x9P7v0u7MmQlyNixWtsBzT7UaAnz98KC83 BuqpMpArXvUptPB3B4VUeHWFVG4QeltpSXctGZxIpoQHpKVNpwO7KmExPLF1SmytAiLh xEZXHaDh3B9j7KmxBiS7LmGS1/DI8ljwwdSDq+oG0q2fhOvwjYJYYaB0/1COCcr29eqs xkfA== X-Forwarded-Encrypted: i=1; AHgh+Rq6WnNDcUpvWGvxsZlcSVe19JyDPm9Q5W/5JQO6NQo/jFSLg3XYxlGWrQSzln+RndRgoHtDB/nzLEQtKes=@vger.kernel.org X-Gm-Message-State: AOJu0YwoslxdGD9irYZRfpyqqSoGWB0633YpmRoVLL7aPpEc2vvGvsnG Y6fcs/Smb2r+HUlkNnLFuiQDrfl8xBIjBpKQ56BOGllfgSWSoWsAw4kv+QFjn/nRhw== X-Gm-Gg: AR+sD13H8jwP4elxpoKCvGQW0FXrp4NJiRhycM+hlvO6DvrMp+uxEX678393kMX8VLA dlzYVu6uE2a1fK573koO44F/B/nbxj83qd8YSJtboc4ZUH9luNChyCoMaf9I9xT5132meiFq4TY tOSpk35Nj/a8qVeb4CBFTGDY+rA48/gZ65d95g0udFVY/kMLt8091bVA6QRXo2LORHCBl+96wJx hG8JmymASAF+hQxu37PZ8K3F4RYVfgASUiLREzb6fBuGUPTBVGWuGjxPWtQY2ZTuEp+RYgxj3fs 1787NYsApeqJUnJkxuSMIBNyIff9NiIPVoJ4OkdbhLCkrieYD2LiRzKda8AbceiY7azehUpJycT kyzE1T4YnrfV0rWQmg8lFGXq00IaUUI0aFr+UrYQquEkXWlNIxDV9OpWZYx7ZOUeY/zg9WmKieE eRugHQ92ijdgFl2sBlEmxT5mmKEOBK0LHX5YS4Ko6075tS4Ccstlz6Doxl/tzEIHN1+hYo8Bzau RcGJ8R5s72JCQaV33MxE89Si8Dj2BusCUQ= X-Received: by 2002:a17:903:3202:b0:2c6:a078:bfb7 with SMTP id d9443c01a7336-2cfa2995d66mr462105ad.7.1784739122233; Wed, 22 Jul 2026 09:52:02 -0700 (PDT) Received: from google.com (112.174.16.34.bc.googleusercontent.com. [34.16.174.112]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cf96ac33eesm11535215ad.72.2026.07.22.09.52.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2026 09:52:01 -0700 (PDT) Date: Wed, 22 Jul 2026 16:51:56 +0000 From: Carlos Llamas To: =?iso-8859-1?Q?Andr=E9?= Almeida Cc: Wake Liu , tglx@kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, dvhart@infradead.org, dave@stgolabs.net, shuah@kernel.org, mingo@redhat.com Subject: Re: [PATCH] selftests: futex: Restore support checks for futex2 and priv_hash Message-ID: References: <20260722070801.2057634-1-wakel@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Jul 22, 2026 at 12:20:37PM -0300, André Almeida wrote: > Hi Wake, > > Em 22/07/2026 04:08, Wake Liu escreveu: > > Older kernels may not support FUTEX2 syscalls or PR_FUTEX_HASH. > > Removing these checks causes false failures when running the tests on > > such kernels. Restore the checks so the tests can be gracefully > > skipped when the features are not supported. > > > > 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"); > > Why aren't you using SKIP() instead of ksft_exit_skip() like how you have > done at > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=locking/futex&id=50c121e5a57abe446e46825fb9c69ac419765d5c It's actually the same patch. See: https://lore.kernel.org/all/20260624070223.1533167-1-wakel@google.com/ Thomas, just refactored it to use the harness API. I'm not sure why Wake sent the same fix twice but it was likely by mistake. That's all, nothing to see here. -- Carlos Llamas