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 E2BEEC433EF for ; Fri, 11 Mar 2022 17:22:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350725AbiCKRXk (ORCPT ); Fri, 11 Mar 2022 12:23:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350678AbiCKRXh (ORCPT ); Fri, 11 Mar 2022 12:23:37 -0500 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89F45112A for ; Fri, 11 Mar 2022 09:22:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647019354; x=1678555354; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=G8bJh+8Vok15nE7dEaU6t77F8wutWwiQPFPCIa6xWJg=; b=O0U2Hp0CSDQg7zCPB7OhtQbomKjVe7hyjRRJ3lNxujCLQYHYZYpytUnB 7T8vLJ2mbkYJm7rPbyQ95KoyXw8xmBDd7K+gW47wPqCQvZpbzUNFz+vsK bBDad/7fBWdf5b5z7ynJNBXE4pt+S5sKOQtch41/Y5BcSKcdTNjCUB6yv 2bE3dSJ+8StXwqGWIq203gxVPUN1kGfqBGRhW2SthHKWkODA1rCSe4FPJ HUAOeU6F8ClW8roesi4Ra+mkdx71ZTGIzrilcgf+Ae+1/6BHns33ZXh5u HYDE8Q0ZjyP1ySYd5bTH66q5i7dMsLHGvVzh6k69/5KkfIB6aC/zrXoEz g==; X-IronPort-AV: E=McAfee;i="6200,9189,10283"; a="255803344" X-IronPort-AV: E=Sophos;i="5.90,174,1643702400"; d="scan'208";a="255803344" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2022 09:22:34 -0800 X-IronPort-AV: E=Sophos;i="5.90,174,1643702400"; d="scan'208";a="644991411" Received: from cpeirce-mobl1.amr.corp.intel.com (HELO [10.212.128.243]) ([10.212.128.243]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2022 09:22:32 -0800 Message-ID: <9fcfa987-4acf-689e-3fea-fd01dc7b4e26@intel.com> Date: Fri, 11 Mar 2022 09:22:26 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCHv5 11/30] x86/tdx: Handle in-kernel MMIO Content-Language: en-US To: "Kirill A. Shutemov" Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, luto@kernel.org, peterz@infradead.org, sathyanarayanan.kuppuswamy@linux.intel.com, aarcange@redhat.com, ak@linux.intel.com, dan.j.williams@intel.com, david@redhat.com, hpa@zytor.com, jgross@suse.com, jmattson@google.com, joro@8bytes.org, jpoimboe@redhat.com, knsathya@kernel.org, pbonzini@redhat.com, sdeep@vmware.com, seanjc@google.com, tony.luck@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, thomas.lendacky@amd.com, brijesh.singh@amd.com, x86@kernel.org, linux-kernel@vger.kernel.org References: <20220302142806.51844-1-kirill.shutemov@linux.intel.com> <20220302142806.51844-12-kirill.shutemov@linux.intel.com> <81a7ad6d-6bd9-7674-3229-67a5cd2e485a@intel.com> <20220310005145.hzv2lzxgs7uxblfr@black.fi.intel.com> <20220310164839.erpjijvxwuzjql5x@black.fi.intel.com> <9b2836ce-5267-8342-65eb-1084ba7e0cdf@intel.com> <20220311171848.g5wobw3rmi4e2zkd@black.fi.intel.com> From: Dave Hansen In-Reply-To: <20220311171848.g5wobw3rmi4e2zkd@black.fi.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 3/11/22 09:18, Kirill A. Shutemov wrote: >> Do we *WANT* #VE's to be exposed to the #GP fixup machinery? > We need the fixup at least for MSRs. Could you mention that, along with the implications for the other #VE's in the MSR patch changelog?