From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 E69F0463B88; Mon, 28 Sep 2026 07:45:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790581507; cv=none; b=Y7nFw5WYaKBi1XedlN/o23gVA0vrjSmoHR05Q8dBlTH/07bGwFeofMB18xpmmPA8gmnb8dB7SnAmh2x5Y027fj947+WqZdTT9+vm9UAJgR1XGayxfij7aey1kV1NboYPJ3jj86UaOeHKounqSpAi30ysnhAGHZEPeY9dmv28VLk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790581507; c=relaxed/simple; bh=eD7XniJvuHD9779J/D3BOZ66ie1Rs5fXYNvLwloK9OA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fI1UNoAlxOLRfIGEHh3bTfYjacuZWnWUapd0rxuScRzuNwH/TQVypvKGk3PoHtQWWQTeeQRzlcjkkSaEw4SuofZNOATk2nUk094sAbKTc/iPTr/PRrrJcOAB9jyNFU8pILNkHyvIagAD/+3VnvW5VwvjUoebQBi/twhSfcXg/Hs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lVaamqi8; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lVaamqi8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C5A41F000FF; Mon, 28 Sep 2026 07:45:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790581505; bh=55E+7Xyi4mRyjZvV18kG+lC5jlQq2LH0rb3Tdnf32vg=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=lVaamqi8MOEIqD63EMXcfX6WUtSC0+mayO++7CAbtN5Rj7XF6dFa4J3bFJZS9xUA9 eX0BbCOM58MtT2oHAL4U75vewBaDx54j9M67lVMa6jc9JUjRqoxqMegguF4wvPdY1V Vr75Xg5+0MrMZ2roA0fVTlOZiPDE2yLQeJgKAWelgnGAvoDuQFVfDCnbUJoFCGp+TW UDidlbWrzDBv8/7zWL51f63+Kqw79erWBhHPYwHn23QCmQQoGvXShmx2h0UGH1IoUt Wpx7lB6J3IyDcQLHb+M+O089SXTZEYWQTMnnuA+Xz0QTYvNAo4pWz97vSCAAw2BeI0 109RRAMplWFfw== Message-ID: <99023678-fd8a-4eef-8e43-a07b504e3e96@kernel.org> Date: Mon, 28 Sep 2026 09:44:59 +0200 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [akpm-mm:mm-new 661/679] mmu.c:undefined reference to `__check_safe_pte_update' To: Anshuman Khandual , Andrew Morton Cc: kernel test robot , oe-kbuild-all@lists.linux.dev, Linux Memory Management List , mm-commits@vger.kernel.org, Catalin Marinas References: <202609270030.Y0QVBPmK-lkp@intel.com> <20260927133100.46a4f7067c79280dcf83731b@linux-foundation.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/28/26 06:42, Anshuman Khandual wrote: > On Sun, Sep 27, 2026 at 01:31:00PM -0700, Andrew Morton wrote: >> On Sun, 27 Sep 2026 00:32:54 +0800 kernel test robot wrote: >> >>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new >>> head: b4fc90c82982d98959af08b4320420bcfc01303b >>> commit: 2862bcaf1aca55e0b43a5692a4595281ab780f05 [661/679] arm64/mm: move __check_safe_pte_update() >>> config: arm64-randconfig-1002-20260926 (https://download.01.org/0day-ci/archive/20260927/202609270030.Y0QVBPmK-lkp@intel.com/config) >>> compiler: aarch64-linux-gcc (GCC) 8.5.0 >> >> Thanks. It works for me, but I'm using gcc-15.2.0. > > Tried building this series with a cross compiler (gcc 14.3.1) and a native > compiler (15.2.0). The series builds successfully in both cases. I'm getting the same problems building mm-next. The following seems to fix it, which I will carry in for-next and for-test today. >From 448f146f16394713b28295236588ccab3a173827 Mon Sep 17 00:00:00 2001 From: "David Hildenbrand (Arm)" Date: Mon, 28 Sep 2026 09:42:06 +0200 Subject: [PATCH] fixup: arm64/mm: move __check_safe_pte_update() Signed-off-by: David Hildenbrand (Arm) --- arch/arm64/mm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index e589fb00d1e3..7343ac9294f8 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -2392,6 +2392,7 @@ int arch_set_user_pkey_access(int pkey, unsigned long init_val) return 0; } +#endif /* * PTE bits configuration in the presence of hardware Dirty Bit Management @@ -2440,4 +2441,3 @@ void __check_safe_pte_update(struct mm_struct *mm, pte_t *ptep, pte_t pte) __func__, pte_str_old, pte_str); } #endif /* CONFIG_DEBUG_VM */ -#endif -- 2.55.0 -- Cheers, David