From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 9B92433B6D0 for ; Fri, 17 Apr 2026 16:59:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776445188; cv=none; b=grpMv6cF9fj5/MlLmZA69G2wvK/5YP64igRssC0KLUYG59iQVVaIZaLxFbgDA7EAVUZWpz4od2to+iJpq11uEPzibwgAhNYl5FN5v/ZnUHxsP/Xk90CADVXLjALGH7P+Bzp0h+xmxPHIEoB95KjaI6xKlO8J8j8zVf/i5S0kXTA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776445188; c=relaxed/simple; bh=fMsQaBkPIWlFvTddq3pkA/GSUQ4jKl6XtjEyjYg9b7w=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=tY742Df/28BwArQOppo07lRrZSekVosicFcqR0ZaFZ82aUSb+7g+xMXBRNL4rogy9WYsKGod7luUQKfRdEelvmeoEZxO2rhZ19m79utW1PtGW11c4f08ywDTsoRxkAg7FTH/fHlXYRb7ExqparvJ6I0m3HAGhOTzPYO6DF+7Iz0= 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=BLX0XOzk; arc=none smtp.client-ip=209.85.210.202 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="BLX0XOzk" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-82f6a5b4f88so1338628b3a.2 for ; Fri, 17 Apr 2026 09:59:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1776445187; x=1777049987; 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=8xpUE/ibC3YyCoGenWCVFz5lepygm50eO7SK+GhPCXc=; b=BLX0XOzkjZHvUHDauE0NN0Q/h2rSK089gCCKUuUpsQc2kAePQfWmgon9p733O0cmHz ffHoI+830Ui2lu3spK/6+6JL97MnuyzHzNbweftwVtWmLgAi9FRp8Ace5oYcgwC4xV+F ooMiqv7Io176NxdDkBs0Ps7v7vEZpAga+SlB8cBaIYUzzDmoVIFyV2IfiAn9+Te9vwRs VJbvDQmKktFOR9Fh58Xv7K6rSoSU7NZFuJoUTTSqy2Yy6j7Z/evRCW8erzE48iop4GJH ReFSCgBNi3PSUio3GyfeTzX+yAoC11/Vj7y3zm3OlnpkUcANGSm2O+MibRTSLXHTNfEc htpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776445187; x=1777049987; 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=8xpUE/ibC3YyCoGenWCVFz5lepygm50eO7SK+GhPCXc=; b=SS/11olH2edz0tEdTOKLocp4MrysdZO7A0bF00F9H92jjweH8RQl1vWtmRni2/26ou uGD35Dbe7OijKyzj2S8eXjZcQsU171WoeUbMLR1LW2sch2qsZgG2OtH0oj3XYEbv08x5 g15vgmFAn2GqJffeyZ+nM3rIFqeJCY58mRELvDtF5MFNzkvA9aRG4Yjxtbv2+MA9RgxK SeyZ7l/EXNDk5uAomJ+Ay2Lw6xYyP4njlTZ+xXJZYNFAy3Ux5bSj1Bd6AxtiLW/pyyEx CGNb1kaU7t/Z3HXqQ9QLazfbdRTtEIhbwv4cZ0tXl3Z5EZ6cv+pGJ9PwCyPKD9bGHDw4 z8wA== X-Forwarded-Encrypted: i=1; AFNElJ/s29ZduCPpxwadSRES9bhoRoaGJlHxp7M92f/QAxAtPJ7rZCT9M9kLHBCKYV86d5Wt20lw5ylZduA8F7o=@vger.kernel.org X-Gm-Message-State: AOJu0Yz0R+VljxVEw7rAfXQ8hdQrE33sMbxHHg5jyMEqtH/E1tnrtzNG clndwiUNK/dZ6K1Q6Q1Ln1FExrxCDFRd2uUFphKfAGC9cgp+vXfhyFy1Rts/JCX6uXhEIiBosW/ qAXqJfA== X-Received: from pfbic16.prod.google.com ([2002:a05:6a00:8a10:b0:82f:8a3b:87f0]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:3e26:b0:82a:7aa3:a2fb with SMTP id d2e1a72fcca58-82f8c8f07d2mr3805935b3a.37.1776445186761; Fri, 17 Apr 2026 09:59:46 -0700 (PDT) Date: Fri, 17 Apr 2026 09:59:45 -0700 In-Reply-To: <0f25c1c247c08f19d36ca774608bc8162d2454a4.camel@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260129011517.3545883-1-seanjc@google.com> <0f25c1c247c08f19d36ca774608bc8162d2454a4.camel@intel.com> Message-ID: Subject: Re: [RFC PATCH v5 00/45] TDX: Dynamic PAMT + S-EPT Hugepage From: Sean Christopherson To: Rick P Edgecombe Cc: "x86@kernel.org" , "dave.hansen@linux.intel.com" , "kas@kernel.org" , "bp@alien8.de" , "mingo@redhat.com" , "pbonzini@redhat.com" , "tglx@kernel.org" , Kai Huang , Ackerley Tng , Sagi Shahar , Vishal Annapurve , "linux-kernel@vger.kernel.org" , Yan Y Zhao , Xiaoyao Li , "kvm@vger.kernel.org" , "linux-coco@lists.linux.dev" , Isaku Yamahata , "binbin.wu@linux.intel.com" Content-Type: text/plain; charset="us-ascii" On Wed, Apr 15, 2026, Rick P Edgecombe wrote: > On Wed, 2026-01-28 at 17:14 -0800, Sean Christopherson wrote: > > As for landing these series, I think the fastest overall approach would be > > to land patches 1-4 asap (tangentially related cleanups and fixes), agree > > on a design (hopefully), and then hand control back to Rick and Yan to polish > > their respective series for merge. > > Sean, were you still planning to do this? I see you're, I think, asking for Dave > to pull patch 1 here: > https://lore.kernel.org/kvm/ac_bMKD7YGhMwUCf@google.com/ > > But actually he acked the version in this series, Oh, right. I forgot about that. > so another option is you could just take patches 1-4? Yeah, I think that makes the most sense. > Please let me know if you are ok with that plan. We are growing stacks ahead of > DPAMT and the other splintered pre-req work and looking to reduce it. It could > be nice if we could take all the pre-req work through the same tree for that > reason, and most of it is on the KVM side. Is it reasonable? Ya. I'll apply 1-4 and create a stable tag for patch 1's commit for 7.2. If it won't throw a wrench in things for you, I'll wait until 7.1-rc2 to get 'em applied. I've been burned more than a few times when using rc1 as the base for topic branches. Dave, holler if this doesn't work for you.