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 49E49C4167B for ; Tue, 13 Dec 2022 03:30:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234194AbiLMDai (ORCPT ); Mon, 12 Dec 2022 22:30:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbiLMDaf (ORCPT ); Mon, 12 Dec 2022 22:30:35 -0500 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6330F1B9C0 for ; Mon, 12 Dec 2022 19:30:34 -0800 (PST) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-3ceb4c331faso153405777b3.2 for ; Mon, 12 Dec 2022 19:30:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=fvHSXXCkeu3/4sx+gtxDD1f9+Q7yHtx6Qc7Gq8TcTlk=; b=LLRdDTGJMdrQ+p+GUnDsrf1yDPoRSSppeKjQs4nboSb+avGRmawlspUOhOBG45/Oyc Y716L2oH9GnjWvtIhq7tQlvtAnPF5QUESJd/UyMZ3SF1NcBmFdEoRa6/UTyjYEb7oYHT 08KZOXU3p/P3Famupq2pckKrUL6+9bANZ166gzgFvEotOsNUJSTQZe1IUe/yL/xdXccJ 1Qi7bVajLliCxxq8uzKbZxczNBCDyOtI1M6bSv9GDhFCjQ/kufDbk3Wt4phE36kgW870 5AVp7S9JPiWbqOwB61ImhJiUOKRzzcboJbFhd7FJezjy3zGlHw/e+FAjspljmpyRvvW1 5fkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fvHSXXCkeu3/4sx+gtxDD1f9+Q7yHtx6Qc7Gq8TcTlk=; b=nMhnq3RdqlRjlN3UgsJWZTtiMJ3Uvzsk+Yb5wGZYCr5mCN+m0jEqNR7Cf80pqdbT6R qnJWc8dC1VDnUP7rbm3ANv/XPQdVmxPPiYgJ3PTxFhnWgbu8PMbk3CkOu+N4JEA39Sfl Md+55FtLcC9KExHqMCdzCrsambyaopifQDib9i24gGUr9gwDD8dnWnoXbzSnBGcCpUA2 PFRUnYf4OTaw3/PPz+pxMFO/OtJEudRsXolkc1wqNzaAID9DREGwIEM/4ZsfYQuRnEa6 PbecO/9WXsatfQnqqNjU/k5inbb7yRQYEIm/N5icWzXylI1Vly47uNg2fHfc5xdRAK7o WuFQ== X-Gm-Message-State: ANoB5pkcGIVkOkKd5xUwYcj1M6WyUrmMbpRhGvNlaaUoJBMwZdX89RVA 6ZyiNKNVTPW8GQ7kyKrsTr8lgMkiqeE= X-Google-Smtp-Source: AA0mqf7WZkWhOp4xReQE+hoO2FppB9Dpsyv3a/YVfDmXeNw9+aBoYg6nPEnSRG4nKBDA9RC1ub3rwu1vP8g= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a81:998a:0:b0:3dd:49a2:837b with SMTP id q132-20020a81998a000000b003dd49a2837bmr30831405ywg.241.1670902233643; Mon, 12 Dec 2022 19:30:33 -0800 (PST) Reply-To: Sean Christopherson Date: Tue, 13 Dec 2022 03:30:25 +0000 Mime-Version: 1.0 X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog Message-ID: <20221213033030.83345-1-seanjc@google.com> Subject: [PATCH 0/5] KVM: x86/mmu: TDP MMU fixes for 6.2 From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Hoo , Greg Thelen , David Matlack , Ben Gardon , Mingwei Zhang Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix three fatal TDP MMU bugs introduced in 6.2, harden related code, and clean up kvm_tdp_mmu_map() to eliminate the need for gotos. Sean Christopherson (5): KVM: x86/mmu: Don't attempt to map leaf if target TDP MMU SPTE is frozen KVM: x86/mmu: Map TDP MMU leaf SPTE iff target level is reached KVM: x86/mmu: Re-check under lock that TDP MMU SP hugepage is disallowed KVM: x86/mmu: Don't install TDP MMU SPTE if SP has unexpected level KVM: x86/mmu: Move kvm_tdp_mmu_map()'s prolog and epilog to its caller arch/x86/kvm/mmu/mmu.c | 9 +++++++- arch/x86/kvm/mmu/mmu_internal.h | 1 - arch/x86/kvm/mmu/tdp_mmu.c | 39 +++++++++++++++------------------ 3 files changed, 26 insertions(+), 23 deletions(-) base-commit: 51229fd7872f82af07498aef5c79ad51baf81ea0 -- 2.39.0.rc1.256.g54fd8350bd-goog