From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 ED1AE1946A0; Thu, 5 Sep 2024 08:09:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725523768; cv=none; b=enapwA9vTXZLmUa9NEop1HLn5rUxS4uaVtgaQEbMZAx5Ij05chgQm0LlrFtTSq+vH80kicCfWKGHnqX2zAipPN1Cb7Z6TUz3iJJ9DpcmXg2SnMA2SWLnTNEvkqEGUJd6kNUjElWMbw4WMiLrN2NwgbJi9b9Qxt/Kolm8bi/38QM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725523768; c=relaxed/simple; bh=VgW/YMWVB9c2TEU8uwWcFzi5gZTQfcExZdh3NdYEqw0=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=M80IgrUqfR71q31eAB0EasgJ5g+KoaJoBgfZ68x/Am7KJzsZ/4ylMmq9wGV9HdC/8iQ/2BmkQtUeyQ2UfBubfBzzP2Gl5SsdyyOfyTpzh+o9pE6+hy71qhBd+RILP40/JP6twTXy+LduwjWz6YdPrxrh81aH6xyg8uzMtu4r8wg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=XkNj4RPV; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="XkNj4RPV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725523767; x=1757059767; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=VgW/YMWVB9c2TEU8uwWcFzi5gZTQfcExZdh3NdYEqw0=; b=XkNj4RPV5HQwqSZjg7PlITmPFKRM8taJ3qCKNiZFdpJT27tbmPT64+1s BEaoY7q6HbtKA88yHhlQW+04m6x/9oneJVWYuxj1zbHVXxs5Bu8QR8AqT y2I7s9cqFR9tdCQ1iByU1tHXgtjrTIhawFx523Oli6DRqHhhrH5XjtnlB AhS+a9bPCduSfci1Ce/OrEj6qqEoeqqpsV/18Rrhiih9WNEhJiQKQOumZ Rdxe3D7ZT2jbs2fbD4BlproeNanM855AbyxoVtnnR81yHPivYX5VTOD/Q Kj8mlM0w3cUb3xE/cYAiViSR8z8Ck6CfeYMko5TP4BvwA0704xyAJsBsU Q==; X-CSE-ConnectionGUID: mkxfOd87TbGBaDfZmkJQHQ== X-CSE-MsgGUID: jOu7MzwJQja6vHIzRlHVrA== X-IronPort-AV: E=McAfee;i="6700,10204,11185"; a="24176430" X-IronPort-AV: E=Sophos;i="6.10,204,1719903600"; d="scan'208";a="24176430" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2024 01:09:27 -0700 X-CSE-ConnectionGUID: mR7oE9suQhG1l60K8dW2bA== X-CSE-MsgGUID: 1GrQ96QEROyohU5mNEAKMg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,204,1719903600"; d="scan'208";a="65528234" Received: from blu2-mobl.ccr.corp.intel.com (HELO [10.124.229.145]) ([10.124.229.145]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2024 01:09:24 -0700 Message-ID: Date: Thu, 5 Sep 2024 16:09:21 +0800 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: baolu.lu@linux.intel.com, Suravee Suthikulpanit , Will Deacon , Robin Murphy , Vasant Hegde , Jason Gunthorpe , linux-doc@vger.kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Joerg Roedel Subject: Re: [PATCH] iommu/amd: Add kernel parameters to limit V1 page-sizes To: Joerg Roedel References: <20240905072240.253313-1-joro@8bytes.org> <45a3ae40-6e59-43b4-ae57-d159bd2b54df@linux.intel.com> Content-Language: en-US From: Baolu Lu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2024/9/5 15:34, Joerg Roedel wrote: > On Thu, Sep 05, 2024 at 03:31:08PM +0800, Baolu Lu wrote: >> Is it possible to consolidate these two into a single >> "iommu.nohugepages=1"? > Generally yes, but that requires to touch all drivers to make the > behavior consistent. We can start this effort on-top of this change, if > desired. Yeah! That works too. Thanks, baolu