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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E472EB64DC for ; Mon, 3 Jul 2023 10:38:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EBEA08E00BF; Mon, 3 Jul 2023 06:38:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E6EFA8E00BA; Mon, 3 Jul 2023 06:38:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D36458E00BF; Mon, 3 Jul 2023 06:38:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id C47148E00BA for ; Mon, 3 Jul 2023 06:38:46 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 9BE6AA0880 for ; Mon, 3 Jul 2023 10:38:46 +0000 (UTC) X-FDA: 80969952252.20.5070F4F Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf06.hostedemail.com (Postfix) with ESMTP id 6B78A180010 for ; Mon, 3 Jul 2023 10:38:44 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=HXLwcvVF; dmarc=none; spf=none (imf06.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1688380724; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=TVbX+tNIPv23EaPGoUrIoiPOM5W4ujkazCzJLFRozoE=; b=Zc1f5DXY1jfGqIA9Rs1Cu8NP7u2Z1gFPabxHGpOoZGbdHpLd9GctlMf+vj780Kc5XK0SQH SUHceDC27ynK+YT0J8gqd66qaMit6bY/4pXoAx9gTCyp/gyZZrzBYIMOMcLGXV9sQaSHHD p6dqNMKB13CAtOcmlkbX30RGwM1L8CQ= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=HXLwcvVF; dmarc=none; spf=none (imf06.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1688380724; a=rsa-sha256; cv=none; b=JrA3mqQuqlEo2vZNBpi3JlpnvDhdIgpOCmRMpmlXFodqmj+YBlBLCxlUe2lNchtqU3kWL8 eQoyb8DD0IviMtgP/wCpc2KHod4TkdgTOxONF1V6l4nbDnhUndyL+rNKx7mshaq5IFsqVY 0SaP7uFKPV8mlHxF3adIFPVNjnKBrYg= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=TVbX+tNIPv23EaPGoUrIoiPOM5W4ujkazCzJLFRozoE=; b=HXLwcvVFFzFJOtnwV594txzf9o lSO6ZSNYhOQiUXobxknb/PJtmcj/TWwh7dEt3mr1biMe5AlmPW62mFAOQMGcHaNMh/hXVv+iERe4X lBFn7JAUcVlFUuAYfbnrVw7qqxxMUt1axYgiHcU7f7ylDppJfeugrjUss8W836APMg8BOnR0kQACW JWMDQahd/czHy6GsbrRNdkfBRfn52zaezHqud1EQyRGAjJb8tkUuXEl7o0cjstHwu39zG4LCoRNUz nSSSwGjyDiWBvSq/wrzl6sQ2rszxjifjWFIvH2oYYAFbTLfySK7udlZrJtY9DPHRCEta+MSuX91wr AFtyFmdg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1qGGx0-0089Wj-1s; Mon, 03 Jul 2023 10:38:34 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 46ABC30023F; Mon, 3 Jul 2023 12:38:33 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2D7A0202A2A17; Mon, 3 Jul 2023 12:38:33 +0200 (CEST) Date: Mon, 3 Jul 2023 12:38:33 +0200 From: Peter Zijlstra To: Dave Hansen Cc: Sean Christopherson , Isaku Yamahata , Kai Huang , "kvm@vger.kernel.org" , Ashok Raj , Tony Luck , "david@redhat.com" , "bagasdotme@gmail.com" , "ak@linux.intel.com" , Rafael J Wysocki , "kirill.shutemov@linux.intel.com" , Reinette Chatre , "pbonzini@redhat.com" , "mingo@redhat.com" , "tglx@linutronix.de" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Isaku Yamahata , "nik.borisov@suse.com" , "hpa@zytor.com" , Sagi Shahar , "imammedo@redhat.com" , "bp@alien8.de" , Chao Gao , Len Brown , "sathyanarayanan.kuppuswamy@linux.intel.com" , Ying Huang , Dan J Williams , "x86@kernel.org" Subject: Re: [PATCH v12 07/22] x86/virt/tdx: Add skeleton to enable TDX on demand Message-ID: <20230703103833.GF4253@hirez.programming.kicks-ass.net> References: <104d324cd68b12e14722ee5d85a660cccccd8892.1687784645.git.kai.huang@intel.com> <20230628131717.GE2438817@hirez.programming.kicks-ass.net> <0c9639db604a0670eeae5343d456e43d06b35d39.camel@intel.com> <20230630092615.GD2533791@hirez.programming.kicks-ass.net> <2659d6eef84f008635ba300f4712501ac88cef2c.camel@intel.com> <20230630183020.GA4253@hirez.programming.kicks-ass.net> <20230630190514.GH3436214@ls.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 6B78A180010 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 4giy1e5t7dxgiz54jhpzwtwg831eoy5u X-HE-Tag: 1688380724-597690 X-HE-Meta: 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 qwLAjUCP hDvzg8cTMd5XfaRQ5BOzcZaw4P+5l0gVVqpzpp3I9ME84p413Wwoqpz3zfcegYTwkFkSmCS2A9ClCi9+7m0Au/Ppmb9F2ml/k+EzIOELUYT0C8qZkJ7kA/kuf4gqf+RtI0cqO9VmnacEnGpBV9x0p0yjKwCF8GJTgtKtUm7Qk/XAUwkh/+LgVAag31fdc6LaSvARREStLJOgeZPwKQ/ofSiW2UAFOfUojyLfsvuwSrHZ2AgTb/kXGA7lovQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000013, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jun 30, 2023 at 04:13:39PM -0700, Dave Hansen wrote: > I honestly don't care all that much either way. There's an escape hatch > at runtime (reload kvm_intel.ko) no matter what we do. Please try with my MODULE=n kernel ;-) localyesconfig FTW.