From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E846BC433F5 for ; Thu, 10 Mar 2022 15:23:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242045AbiCJPYm (ORCPT ); Thu, 10 Mar 2022 10:24:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244699AbiCJPYD (ORCPT ); Thu, 10 Mar 2022 10:24:03 -0500 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FA5CC086F for ; Thu, 10 Mar 2022 07:23:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646925781; x=1678461781; h=message-id:date:mime-version:to:cc:references:from: subject:in-reply-to:content-transfer-encoding; bh=X65sOg9tpfwezm9F7oPR3l1yoJm0wZybxcJ2SYM0o5E=; b=UQpT2f3VQlQaRHImne6qFArLOl16RZ7WyfvZ7IqoHXncfmnrTdG1eCCk Fu6vRaM1AAz06/Mx+Wg2NxJ7OHQncLfIa0MsCXYjrrUueZlqFxFmWnLTo PP38jGvCqmlEqQCUISXjbzLuMVCeVNj94vNa9dU7V5v1fJof41GDWGvk0 Vf544FF5rJsWjGX4tnP//fzJrax0K721lm/dlDiB8taiNw6mCjRlunq5O ysqzLDt7M0MBauxPKLpLvI6hznMXia9hw1obKYb9cItCO1MTabyYPhrxE wUFKpEjRI+V9uzUq5VxRrmCPJ4MvhyyQV7diyJQpbpflVjZGbJ3vSW0oF g==; X-IronPort-AV: E=McAfee;i="6200,9189,10281"; a="318499356" X-IronPort-AV: E=Sophos;i="5.90,171,1643702400"; d="scan'208";a="318499356" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2022 07:22:40 -0800 X-IronPort-AV: E=Sophos;i="5.90,171,1643702400"; d="scan'208";a="688688356" Received: from efrantz-mobl1.amr.corp.intel.com (HELO [10.212.252.101]) ([10.212.252.101]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2022 07:22:39 -0800 Message-ID: <2b26fc5b-d709-f2e1-0c8f-a6a548008216@intel.com> Date: Thu, 10 Mar 2022 07:22:32 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US To: Bharata B Rao , linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, x86@kernel.org, kirill.shutemov@linux.intel.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, catalin.marinas@arm.com, will@kernel.org, shuah@kernel.org, oleg@redhat.com, ananth.narayan@amd.com References: <20220310111545.10852-1-bharata@amd.com> <81b6f618-05bc-f7d0-5461-4c3f0ca42d3f@intel.com> From: Dave Hansen Subject: Re: [RFC PATCH v0 0/6] x86/AMD: Userspace address tagging In-Reply-To: <81b6f618-05bc-f7d0-5461-4c3f0ca42d3f@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/10/22 07:16, Dave Hansen wrote: > I'd also highly suggest going over Kirill's patch set in detail. There > are things like this: > >> https://lore.kernel.org/linux-mm/20210205151631.43511-10-kirill.shutemov@linux.intel.com/ > which seem pretty sane to me but which are (I think) missing in this set. Oh silly me, that's just for LAM_U48 which ignores more bits than LAM_U57 or UAI. Either way, I know you've looked at Kirill's set, but please do go over it in detail to make sure there's nothing else you need to lift out of there.