From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D495262FD0 for ; Thu, 5 Mar 2026 19:07:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772737657; cv=none; b=qed4TUCqooH60hO0HOW2FPo88MNryP6g7xjVqjvKjMPSqXYDHDA0fHwET2xtnN5H7p2bVFj7nVjtV13D1mx9PLDs9s8JoX9mR3DTe0APFVld9MnBDd9XjnsMX6F00ZhaAFmoV+cfSf5sLKUsQG+eE0yaZvMsupFgvUXVXmS/vbs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772737657; c=relaxed/simple; bh=w0X3N8sFCQEBgD5yEveEJ43+yCciQZqBxhhVxI62qSY=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=VXMJk7F1Y53w2Rb4VBfncj9QO69w0HmHmvFL6H8/WMBU+7wYi8tSEmKCIcG/g30XZ5IqzdW+DbkomnXll1lY0J8kASNZibVExfm38+h+cGWObOrbQ2nWqJABHvOUcl3x6MDMOKdzEhlQkszt47dQM7LRMhMjMqUE57/VGCPO2+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=KVJCRHzB; arc=none smtp.client-ip=209.85.210.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KVJCRHzB" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-8295eba6cd2so1368061b3a.0 for ; Thu, 05 Mar 2026 11:07:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1772737656; x=1773342456; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=ZcJ0mjA5TJQ4bh2w27jq35LKUnDhiU4/pHqlNtaddJY=; b=KVJCRHzBwYVJpkJf6hJRGx6IeRuEjXJQrCNShUB7CCv61UiXjY6BFtid2eI5lfHnpz 0NpGe2ExZLmEJqWm7uX/lEm4ah6M1noa/6uOudL4RJf3nx0Augr2xiFZvxVcVEG/BPFp CwG9pxoDkiATStGAtRkMurTGaEA5y6xGiatuRbSCMYtEM2puGhYRPCVLpF10aQgbENNB aY/4qFZoojbuEopYbXHjv95XNuHAwADP6/TrrWfkbeiS0T9QGOYVfFvzwcHvSktq9xQA nLqLcujwTqxZZA1n5Q0iT0BvkNhH1UIK9OvfaOP/D9aumUC1zBrR+XqtWgx8Ed59qEB/ aBPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772737656; x=1773342456; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ZcJ0mjA5TJQ4bh2w27jq35LKUnDhiU4/pHqlNtaddJY=; b=c8N7tijbrMKMPG6J7NBQHrF3g6AoI5MzQeGSGM6MAHRWij1jZ8XFjdqsJjxrABeheD TnEJUe7KwqD+UNlGmom+zj4VHzG3YD3AxEawQN75KzVzMn0bQ0mhuihDbSuYa/H6PIx3 2aCG3Euij3sbPFLAUvsszyy2vH6IaT5DuSCzHlFj6aJ1ns0OqlFx8RRFjROwz+7Kl3AD c4Jbrcv40m9ReEVMVStvOc3BB7vxyA/asUi1kaVGVXKdUNKj1LSrVel7Dw0DCXFpWTM+ QsQOHt4MSfZPIgWOHu+4i8m9Y3hKRuLleWNiomazcu6VufZYRWXpYIP4UgdgEk3sJDxy vM0w== X-Forwarded-Encrypted: i=1; AJvYcCXtHaaGjMhPdVx82naGYVYKLQwUgyVxxeNtNcxHt2Y3tVNi1piSjGYiBRw2rM0lv6UOT1FCdrZcSiTt+JS4kdAd@vger.kernel.org X-Gm-Message-State: AOJu0YxWofulPYEjJWLXPR33/S1ZuSXnLT4dtmuMFUEWQB0Y9ImLFBR0 ub4S2TWZj/5Hhjj+Qo1uuo4rGtq4tVSF5UpLvWI2Sn8fjuMgeVmYB/b4CN8vlL0Fa0UwJkuMe0p uJMkfbA== X-Received: from pfgt42.prod.google.com ([2002:a05:6a00:13aa:b0:829:7f86:634]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:1916:b0:81f:852b:a939 with SMTP id d2e1a72fcca58-82972d8d990mr6555196b3a.63.1772737655656; Thu, 05 Mar 2026 11:07:35 -0800 (PST) Date: Thu, 5 Mar 2026 11:07:34 -0800 In-Reply-To: <00406192-932a-4cce-a579-48fe18b9f777@intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260214012702.2368778-1-seanjc@google.com> <177272960351.1566277.2741684808536756847.b4-ty@google.com> <69a9d0645bc31_6423c1006@dwillia2-mobl4.notmuch> <00406192-932a-4cce-a579-48fe18b9f777@intel.com> Message-ID: Subject: Re: [PATCH v3 00/16] KVM: x86/tdx: Have TDX handle VMXON during bringup From: Sean Christopherson To: Dave Hansen Cc: dan.j.williams@intel.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Kiryl Shutsemau , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Paolo Bonzini , linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev, kvm@vger.kernel.org, linux-perf-users@vger.kernel.org, Chao Gao , Xu Yilun Content-Type: text/plain; charset="us-ascii" On Thu, Mar 05, 2026, Dave Hansen wrote: > On 3/5/26 10:50, dan.j.williams@intel.com wrote: > > My proposal, unless you or Dave holler, is to take the first round of > > TDX Connect enabling through the tsm.git tree with acks. This round does > > not have kvm entanglements, i.e. IOMMU coordination and device > > assignment come later. It also does not have much in the way of core x86 > > entanglements beyond new seamcall exports. > > Sounds sane to me. +1. If there aren't any KVM changes, ignorance is bliss :-)