From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 793F526E71A for ; Wed, 11 Jun 2025 12:09:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749643779; cv=none; b=le2iOkD2BVbOXxQi6wOy63RWCo/0qyaCYGH2ZXEVlr1Uu9kjP62uY424QSRIr4vpK0TJO0yj5BH/F4+2L1/H0QZ9SRhWRHDyregvduqPZoyNzWEI55knRTND8VXHJf/3KBvJxg6kvo+OHM67/TpAKKaLuU3gNoD4lFBOMGihpvU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749643779; c=relaxed/simple; bh=1tDMKePeUmlMiIU1QyuyQIKUTqBrro9ueLtZjcltcDM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HH4PtPpKWKiUEnD8acIT3ePuVjkqJHTjzCFYzlbQ7AWAFgiTXyA4U7wzbJ/aabZ2oOuGgXWJCjHBM8uCLpRmRJpyiPnPmJ98LsBxHjxAPjteq5ZIlsfwKTBYTZWuTq1GwTqAllH4pUwpiAcp1NT8vNQYbh8oLXOJxty3b8/UVI4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=WuJ5YnUA; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WuJ5YnUA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1749643776; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=iJysvH6GbWyXgfkZNDFvCAJBKuXVqV66Rj7a/cAeTAI=; b=WuJ5YnUAOPyrtP3bj0krsNLUfOpILrSTo7nBu8Vp95113LZw47dl3eSa3KHZYGSm7DTmpQ BBkJecdlAVHG7lROqwnY1MrVwP6eFAoYfprfaC4wWfDHCMnOBllniWi/NFewIkVT2omxU6 m0lAmBYaUasOuRYvn3sa1dXYkYSlZ8I= Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-663-eGKXCyn2NaGzpAXhzKPhrw-1; Wed, 11 Jun 2025 08:09:35 -0400 X-MC-Unique: eGKXCyn2NaGzpAXhzKPhrw-1 X-Mimecast-MFC-AGG-ID: eGKXCyn2NaGzpAXhzKPhrw_1749643775 Received: by mail-qv1-f72.google.com with SMTP id 6a1803df08f44-6faca0f2677so185778076d6.1 for ; Wed, 11 Jun 2025 05:09:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749643775; x=1750248575; h=content-transfer-encoding:in-reply-to:organization:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=iJysvH6GbWyXgfkZNDFvCAJBKuXVqV66Rj7a/cAeTAI=; b=NtI3m3d2C5ltZPy4EBtJ0oOdLFBkhfBQoFyaAECUs342FgYGw9UFOLxPiSITj92s70 YU340a7RtZvQI0i2uWDfTAUOhBal4JhPDQ116cgO+8PuLpKOr8GGc5VQzQwmi0/1aGKt U9q8etYUkr3W5BsP+8y84B+XzqDYU5AVlKzRURskaFnlTeoAOuayx4RSaYF0OFq0nH9k Xm6bJLaP+t5w/nHw+7SVQceQ95lktbWc++ttaDkDMNSHggHhow88KtXuGjisz/jSSeNk 5fYEO2ufbmH/NFhwtsaWC0dV9wUxMxfnbNc0kF2XBDoYbtFMQ014Bwr/CIQGrtM62x+q UG7g== X-Forwarded-Encrypted: i=1; AJvYcCU8feTayu439CAOWtr8FZScrtRgbWnXyWqw3ODcSW2GSXiOCESN5ayxJoec8Bq28Eq1GmWtSb1PQm/63Hs=@vger.kernel.org X-Gm-Message-State: AOJu0Yyz3d1sLiVDcNL9ZK9BVlg1sFW8VB4+ZNPkfsswurV1ZW2vb+Nm +dh160CeV58+v2fE3OJM4eQhXQuqJrDs7SNJyswtR1Msb/mpB5yqzZYmHxbKG3YvvWKuaWD9vIH TznLSwPgAN13tX9xZH8DbU1ghtM43A9yLVwCAAlT6wXnAUmQIH+Wlcc+1cD+1dcigaQ== X-Gm-Gg: ASbGncuxskxigo7SutiqTctTWRbYwhAEBq4KRG1/TJKdQlPijHqGW18hjBORuBvlwEW Z2+0W7Me18a/dnz7AQ5buYHXLOe7aIHAA8/vE+uMQiDVuqpbAJkT+bdBZ/xYuflhw3zqM71XtdG b/G/WRk69e99Uiwr5F1gfV6R5BsfhM3JfkeHZuR8vz4oTcRud6iVMG5EMz+/i2WCiegYjCp/hen LSfrxsO80Ng/Jc3sROer6IW8FWLuRKh1nukhcCcVJ2CVOSPgYh2cjIlexBba3PmDaUAOdqy928r qW6RRkX/ocXJSsdoiLFdxKlBn4Anbz75mtzMuNA/5+Oy X-Received: by 2002:a05:6214:e4c:b0:6fa:cdc9:8af7 with SMTP id 6a1803df08f44-6fb2d0ccab9mr43232826d6.7.1749643774977; Wed, 11 Jun 2025 05:09:34 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHMaoMTIa642I8RwMNstQhFDRdz8wxzppBgakC5WZX1PvM5z/Ea1SbCR8D34tOHYLF9z4au/g== X-Received: by 2002:a05:6214:e4c:b0:6fa:cdc9:8af7 with SMTP id 6a1803df08f44-6fb2d0ccab9mr43232536d6.7.1749643774640; Wed, 11 Jun 2025 05:09:34 -0700 (PDT) Received: from [10.32.64.156] (nat-pool-muc-t.redhat.com. [149.14.88.26]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6fb09b1ce20sm80729166d6.67.2025.06.11.05.09.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Jun 2025 05:09:34 -0700 (PDT) Message-ID: Date: Wed, 11 Jun 2025 14:09:32 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] kselftest/mm: Clarify errors for pipe() To: Mark Brown , Andrew Morton , Shuah Khan Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250610-selftest-mm-cow-tweaks-v1-0-43cd7457500f@kernel.org> <20250610-selftest-mm-cow-tweaks-v1-1-43cd7457500f@kernel.org> Content-Language: en-US From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20250610-selftest-mm-cow-tweaks-v1-1-43cd7457500f@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10.06.25 16:13, Mark Brown wrote: > Specify that errors reported from pipe() failures are the result of > failures. > > Suggested-by: David Hildenbrand > Signed-off-by: Mark Brown > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb