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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA0C7C433B4 for ; Mon, 10 May 2021 22:30:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 74D0E61585 for ; Mon, 10 May 2021 22:30:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231281AbhEJWbz (ORCPT ); Mon, 10 May 2021 18:31:55 -0400 Received: from mga03.intel.com ([134.134.136.65]:55414 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231168AbhEJWbx (ORCPT ); Mon, 10 May 2021 18:31:53 -0400 IronPort-SDR: Xn+hCaLHH7AEuR36P6t1APKYsp3n4TnOwhDYRMBGtsICXA2qB+A6ns+c5aQ/8nSeP90rFBtFcN yZm3YX4stP/Q== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="199353931" X-IronPort-AV: E=Sophos;i="5.82,288,1613462400"; d="scan'208";a="199353931" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2021 15:30:47 -0700 IronPort-SDR: HkaJyvpHQcM4aAWmAc/umYeyiQc/DhJtebX+nPBFAp3wUD7WRJmlDRyQW0jUDMt3vgThMBEz6c GroxEbPUwWgA== X-IronPort-AV: E=Sophos;i="5.82,288,1613462400"; d="scan'208";a="454694778" Received: from jlmille3-mobl1.amr.corp.intel.com (HELO [10.212.177.136]) ([10.212.177.136]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2021 15:30:46 -0700 Subject: Re: [RFC v2 28/32] x86/tdx: Make pages shared in ioremap() To: "Kuppuswamy, Sathyanarayanan" , Andi Kleen , Peter Zijlstra , Andy Lutomirski , Dan Williams , Tony Luck Cc: Kirill Shutemov , Kuppuswamy Sathyanarayanan , Raj Ashok , Sean Christopherson , linux-kernel@vger.kernel.org References: <312879fb-d201-a16d-2568-150152044c54@linux.intel.com> <797c95bf-9516-8aee-59d0-f5259d77bb75@linux.intel.com> From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <797c95bf-9516-8aee-59d0-f5259d77bb75@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/10/21 3:23 PM, Kuppuswamy, Sathyanarayanan wrote: >>>> >>>> -    if (!sev_active()) >>>> +    if (!sev_active() && !is_tdx_guest()) >>>>           return 0; >>> I think it's time to come up with a real name for all of the code that's >>> under: (sev_active() || is_tdx_guest()). >>> >>> "encrypted" isn't it, for sure. >> >> I called it protected_guest() in some other patches. > > If you are also fine with above mentioned function name, I can include it > in this series. Since we have many use cases of above condition, it will > be useful define it as helper function. FWIW, I think sev_active() has a horrible name. Shouldn't that be "is_sev_guest()"? "sev_active()" could be read as "I'm a SEV host" or "I'm a SEV guest" and "SEV is active". protected_guest() seems fine to cover both, despite the horrid SEV naming. It'll actually be nice to banish it from appearing in many of its uses. :)