From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 56E081F4C81; Fri, 28 Feb 2025 17:17:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740763056; cv=none; b=sbM2SnOekIVJWCnqtzwAfOqxuMQ91LDJKyKaTgguB//B9XY7DQlOkn6UrrSDAdunJGTAe512+rE7vjld+n9RAX4M12YtnzszH3rl2hdt7U3m5ONJB9lIbmgDQH1xH1kcKwmjUj++bG3ffaNe0o9WppQZu/CMxg/RFIWoxPJx+Lw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740763056; c=relaxed/simple; bh=GjMRKvOoFqhPWMxHF4Uuo4O58mEIlsblrSbaPIkmBZU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=iTQOfilmuPh4vBXKu8r+vucDNLBZ2yGracuLem78BPHrzboOkQEk3aauylMQbPgR5wfsN2B3lmWSa4u4VyiJ/vp9rAGRwf3dYaAeyPGHayAiheAJdSbLvp7N1FJWSQAllHolYLV7jYSrw/ygB9qc8zJFzAfzJy/9uue3qqZAOmo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D4292150C; Fri, 28 Feb 2025 09:17:48 -0800 (PST) Received: from [10.163.40.175] (unknown [10.163.40.175]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 71FF63F6A8; Fri, 28 Feb 2025 09:17:28 -0800 (PST) Message-ID: <863a8056-ee37-48f9-9809-445dbbe036b8@arm.com> Date: Fri, 28 Feb 2025 22:47:24 +0530 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 v3 01/10] selftests/mm: Report errno when things fail in gup_longterm To: Brendan Jackman , Lorenzo Stoakes , Andrew Morton , Shuah Khan Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250228-mm-selftests-v3-0-958e3b6f0203@google.com> <20250228-mm-selftests-v3-1-958e3b6f0203@google.com> Content-Language: en-US From: Dev Jain In-Reply-To: <20250228-mm-selftests-v3-1-958e3b6f0203@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 28/02/25 10:24 pm, Brendan Jackman wrote: > Just reporting failure doesn't tell you what went wrong. This can fail > in different ways so report errno to help the reader get started > debugging. > > Signed-off-by: Brendan Jackman Reviewed-by: Dev Jain