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s=arc-20220608; d=hostedemail.com; t=1740763055; a=rsa-sha256; cv=none; b=7VSY9OmOiNvkiQ50Npp6U2gLBXUCc5dcbz1IkLkBbB4Lc1kJi78qTSWMKzwHnxp1rRThR0 TdV703hDY8d/mSaey8QiUMaecItJEVB0moe2BOpyB8cpK9RXgt3BS1tjwt/KzQiGT24G/U 23bSQUoyzn2b6v8gCLUlrx3cDANcQhs= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf05.hostedemail.com: domain of dev.jain@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=dev.jain@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 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 X-Stat-Signature: rqfz9bic9hzo8tzcfyzkxonm671xuts5 X-Rspamd-Queue-Id: A9E55100009 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1740763054-520012 X-HE-Meta: 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 ptcKKKy1 s62ZC2sFk6mBR0q8LxFJXM5JythXY67Y14/JnT7NI389HFPOFiu8ApVFg8IuzXtp+3aQY9w1KkDoB0xq8J06XJXAZxEfM9i+5H41jFHb4xXaJh7p3BdIF1lKQ+jLdpMVoVvOTlMlV8DKrhy3IaAU+OXE6AcfIaB2lna56XMMX+ApKZpe1vep7q957MLzWQKcauSmQHuDGO51M7+vctPW2A5GSdWbgyrd8OToTFqR5CVlcK5f7ykB6Cwd7vtzyDJGWQJ6qkHq+/WkJjZUM5hNYyV9HJ464qRY6Rj7h5fm4bQ/ewNs= X-Bogosity: Ham, tests=bogofilter, spamicity=0.023055, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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