From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73AE72EA491 for ; Wed, 1 Oct 2025 12:26:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759321565; cv=none; b=MyMW9yQbMnwntlCpqkoc34X0iJnNvAu8bt4hk4vJdFe59XpYahZddzN3GPRsEKoVT2fGN8tpW0mCxzC0QG2c3nVexogoXI2M/Ztt1ceuNH8PA/fmbzOBpsBG173V+WYbnQOs8gvLciKV5i8D/vptozSkaZTJAvebiN3sLyhtX9I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759321565; c=relaxed/simple; bh=3ayNbCgEBpgJcWx7QrG/+sfX9FPJmaUZWIZVJumsQGU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=WW+hZEUiBUc0jmbaGze2eEWOR71wf8aPPrU3a9YbLZiwGQ4tfE8EKSb/5UpYIJDAz0ePrvGM8Mz6vQClEGeJjq8QCtjN5KdvYy1E3EqRyuCnFh2VoI2DBiyIvOC3FJHmmIuASoLJt0c9xoFbrYxq19NWoo1sTiRhesuFnQZCl8Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jackmanb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=cdwjhsa/; arc=none smtp.client-ip=209.85.128.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jackmanb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="cdwjhsa/" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-46e4d34ff05so19874665e9.2 for ; Wed, 01 Oct 2025 05:26:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1759321562; x=1759926362; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=3ayNbCgEBpgJcWx7QrG/+sfX9FPJmaUZWIZVJumsQGU=; b=cdwjhsa/7hCTzEaU9hgOktTyKwybvxhr53kyq7FuxfIYh+LxsXPHmTgNutrwQVK1hi TqkzHkXmgEJONDvgXXM4clK4HNgIG5f9+b6KA+GZHfUalXExn5RVrOCEIYxbSPwlrM11 +WGopDrvDu8sMyq/AndnHq2pyr+Fv9ch6vltSksOBlR9uHP2cecWzTqVV8hz6vhZGtTa Ekox+XJk4gM8VZ2UIoYKraXHG4HV8aRra41zIkz2bAW1xu5qjacxVYTI/gBthlACZene hg5j2/yRSdXR6mzWaO5Nh/xLMy6BFY1VXIqYp7eeaIce15qf7QTy+wlVune8SGkP2CSz jytw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759321562; x=1759926362; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=3ayNbCgEBpgJcWx7QrG/+sfX9FPJmaUZWIZVJumsQGU=; b=myeEmBb3DDRgDfurzGEdKE+Mq/4mhpWUquoVdNdMAJdr2GdgZDk4DKr6Pc9kCmJWuO 1rh2TFP5MKRg8q4qp1jrQScK8NXzQMr7Ok4hLamL8gUQTU1FF2LaASI1WoUskVkEDly3 fY2Rrwll0KkSr74CsO3RNPgglAPuFfKyEBvkYf8iK2YuIFCW3zNO4cz7iEvDMPYZXGWv YTG5o8LFrW88BvMpXPtIEt+eXy+Ma9gpsb4ZeRMpTfELYnjinTPFwkuA+uX7XyAA0TB9 HGrYKxCO/X6U6aY9MnGGA2ceDd0VnWmiz85Iep5w1fNJPsJvrjc9FJtFeFBszb3R6gb3 WBSw== X-Gm-Message-State: AOJu0YwiS9PitWZJWEX3CTWiZ/DQ0pABh0m2yetOMTtb/VjH4WikMcFe rw003l6cDtCz7f+ZhyU+hGYpWoBOEWEYJUh7xx0FAvfPMYaX+fqCK04vJF7Bxi7b2anRPDzVSRR HzmOttOpMfH5piQ== X-Google-Smtp-Source: AGHT+IHhvLWUAOpfrdTW7oF5fo1iHNdyUu7ve/F2YpxM44Rj8ywwvuvN6K0k8Lfbtju5XwvYHXm0pqfTKrxDrQ== X-Received: from wmbgx21.prod.google.com ([2002:a05:600c:8595:b0:45d:e2f3:c626]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:37cc:b0:46e:4e6d:79f4 with SMTP id 5b1f17b1804b1-46e6121ba13mr29447395e9.15.1759321561760; Wed, 01 Oct 2025 05:26:01 -0700 (PDT) Date: Wed, 01 Oct 2025 12:26:00 +0000 In-Reply-To: <202509272136.N4ELb64u-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250924-b4-asi-page-alloc-v1-3-2d861768041f@google.com> <202509272136.N4ELb64u-lkp@intel.com> X-Mailer: aerc 0.21.0 Message-ID: Subject: Re: [PATCH 03/21] x86/mm: factor out phys_pgd_init() From: Brendan Jackman To: kernel test robot , Brendan Jackman , Andy Lutomirski , Lorenzo Stoakes , "Liam R. Howlett" , Suren Baghdasaryan , Michal Hocko , Johannes Weiner , Zi Yan , Axel Rasmussen , Yuanchu Xie , Roman Gushchin Cc: , , , , , , , , , , , , , , , , , Content-Type: text/plain; charset="UTF-8" On Sat Sep 27, 2025 at 7:29 PM UTC, kernel test robot wrote: > Hi Brendan, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on bf2602a3cb2381fb1a04bf1c39a290518d2538d1] I've fixed this and the others in my WIP branch but I will wait a bit longer before sending a v2.. They're all real issues - one of them confirms I have not exercised the CMA with this code (by demonstrating that I did not even compile with CONFIG_CMA=y). This one is just a benign bug that only shows up with W=1.