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b=Ptz1BosibiIn4xQQwLjKo3BnaOcPfV6rhhcYiV9E0tVQr1ebj9AaATPuktt1YMa6p NaMrcLUwv53NewAAEPiyiHMoSk7vkiiB0EE3Sncs1rIeHWKheOhGTaeM/DAwlpGSL2 3Pn+rWC8gd7Vsf16ucfAuB2FPgAKSbo8DdVuGoqXmzIFOk6eLj2kSZj0WDadOCwXdc K2CDPS0o1VGEXKZagR6twix6FaFsc0up8E3JLmtNPw31jmWBJUJb9TKsLw9nGFI+eF JVA4Y7lW5jnTzroJLHlar+e+3nmnNtXikOQNIRGLflmz2NPq1zymA/LPX4qf8tb4pG e+504rZ+cTzEw== Message-ID: <0abb768f-cd8d-44f4-aec6-a4971ea5f104@kernel.org> Date: Fri, 24 Jul 2026 21:02:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] selftests/mm: fix gup_longterm EINVAL error message To: zhaozhengzhuo , Shuah Khan Cc: Andrew Morton , Jason Gunthorpe , John Hubbard , Peter Xu , Sarthak Sharma , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <8A3ADC563A32EF67+20260724065929.1474539-1-zhaozhengzhuo@uniontech.com> <23557F4CB8CF36FF+20260724074603.1479243-1-zhaozhengzhuo@uniontech.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 6161340012 X-Stat-Signature: o3ipgmszzcfxsdrdtghthiqzg3xd7d8h X-Rspam-User: X-HE-Tag: 1784919762-184731 X-HE-Meta: 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 0NxwLqLJ SNj6cbywr+opz7MFdVaNcgBUOETZZDpHM5PLTqkn1MJ8waLf3sWLOgV2lNFFdlK+TnlGlUpNW9G/uUvI5iXe37+9roCQDrtoOMssSIhlzYRu57jp2jC4De5GlM2hhj9FXWWLAhZzzYyiKyuVGJDTmRiJCgfn48xxMYNYRy8UwK140Mwwj284XbhbR5dHOmijTNEK79d/uILkLmJmvdQFGAdQYkeKhXMOjFpxxhFNua/grqFommLxG7DdXMS+I0FxiwDwOcVsQumo6M4Sr+8N3J7/zj9Z8eyKERy4VBV09yK2Tm8V5e7jIvVUT5iR26cl9vgMdT8SHdboc61w= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 7/24/26 09:46, zhaozhengzhuo wrote: > The gup_longterm test prints a literal "n" when > PIN_LONGTERM_TEST_START fails with EINVAL because the string is missing the > newline escape sequence. > > Print a newline instead. > > Fixes: 800ddf3cd74b ("selftests/mm: report errno when things fail in gup_longterm") Drop this: it confuses people that care about backporting actual fixes into downstream kernels. Acked-by: David Hildenbrand (arm) -- Cheers, David