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 8605FC25B0E for ; Tue, 16 Aug 2022 22:55:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237287AbiHPWzC (ORCPT ); Tue, 16 Aug 2022 18:55:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234711AbiHPWzB (ORCPT ); Tue, 16 Aug 2022 18:55:01 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 650706173D for ; Tue, 16 Aug 2022 15:55:00 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id d14so16827748lfl.13 for ; Tue, 16 Aug 2022 15:55:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc; bh=s1+GFu+N7CIKfS8OAp+AI4ni9mpv6OWnOGVB/3BEk7I=; b=SFVBpJvS93zanubzxoKvo9Ev7mNiGDzRy+YBEVLIBTPOWFgdm6zC6lRqHMxWljHR7N 9wgTm5mTWSHd4VMto2ajc75vo6F/vdWGiHeFTPiwxIqZr4MS7Iij6TnPpIXAzJbsR6II X0qvBjqf9+Zjxy4lI1ZE4FSccGGcKrme2crSVD/6hJbQzeMljkJKRXkXs5bLFYxDfbDE XaRrxibNKxR+SxplLufrTcr/D9UE5644583luj1B4YudHnzP5YaliYdQSaYTjXzKqWLL qbmiUriLABBqbVRlTo3ZiqD1/YFZO5Tje06Cr1bx7ZYQvAF23y7xJiboxdN4QuEs0XyP EidA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc; bh=s1+GFu+N7CIKfS8OAp+AI4ni9mpv6OWnOGVB/3BEk7I=; b=SDOcee4h6tQ41V41pyG3WT4gR9NQevVSu98DUA7CYxGpwmhBNCpSOGlDSCC6ogP4rU n4rSVe9rFb4/VBBXqtuCgLAfqaI85W7woI+9CwqGSWdLYLO1HFe+G3LZqMkxisa0WTTf 5ZrcbE/klVWewm9yo/RtwAIXYr4+BDWcaqOUcl8iFhMlIoEo8hCbP+MwcQ7kZ5Bf11K5 iMJ0A7EMaIoN92cakZ6HOBrvtwN8cUK/V6uNT6frSV+o8Wl2rsO0i7JvGmlQVRq0ChH4 ujJAxz64XTP9H78qvxe+JevK+0lCVDlONOGgh9dsbZ8foX7M5fpS+x/NFkOwYu+Og36N CTcg== X-Gm-Message-State: ACgBeo1AbvcnHR5RGr0OfzK4DwD4qAqdTnVXr3hN78uR11J4AD3ZAPX3 fakPAaNpB69mb04obxZnmXnzG40X3tc/r4iMTqRyXw== X-Google-Smtp-Source: AA6agR5DeeZ5wEY0y4jOvi6hRYJR/BSth7dhRT83iN1OWdCs3/GYiRdFTOB8hizk2t0WzlDMDtpxY/nSHWRgvto3AJc= X-Received: by 2002:ac2:4943:0:b0:48c:e42a:f0d9 with SMTP id o3-20020ac24943000000b0048ce42af0d9mr7412465lfi.528.1660690498562; Tue, 16 Aug 2022 15:54:58 -0700 (PDT) MIME-Version: 1.0 References: <20220815230110.2266741-1-dmatlack@google.com> In-Reply-To: <20220815230110.2266741-1-dmatlack@google.com> From: David Matlack Date: Tue, 16 Aug 2022 15:54:32 -0700 Message-ID: Subject: Re: [PATCH 0/9] KVM: x86/mmu: Always enable the TDP MMU when TDP is enabled To: Paolo Bonzini Cc: Sean Christopherson , Borislav Petkov , "Paul E. McKenney" , Kees Cook , Peter Zijlstra , Andrew Morton , Randy Dunlap , Damien Le Moal , kvm list , Peter Xu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Aug 15, 2022 at 4:01 PM David Matlack wrote: > > Patch 1 deletes the module parameter tdp_mmu and forces KVM to always > use the TDP MMU when TDP hardware support is enabled. The rest of the > patches are related cleanups that follow (although the kvm_faultin_pfn() > cleanups at the end are only tangentially related at best). Please feel free to ignore the kvm_faultin_pfn() cleanups, i.e. patches 7-9. They conflict with Peter Xu's series [1], there is a bug in patch 9, and they are only tangentially related. [1] https://lore.kernel.org/kvm/20220721000318.93522-4-peterx@redhat.com/