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 X-Spam-Level: X-Spam-Status: No, score=-18.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 054CAC433E0 for ; Mon, 15 Mar 2021 22:27:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C047264F0C for ; Mon, 15 Mar 2021 22:27:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232392AbhCOW0m (ORCPT ); Mon, 15 Mar 2021 18:26:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232898AbhCOW0P (ORCPT ); Mon, 15 Mar 2021 18:26:15 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3EECC061762 for ; Mon, 15 Mar 2021 15:26:13 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id s21so9573011pjq.1 for ; Mon, 15 Mar 2021 15:26:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=SXXfUbxitLxem4y5IOmlGNcXjSvMqPDKJf33Q5FpRTM=; b=udaXDZY+TsOUgxc0zzqYXJLMT2zq5mhWq00mizdMMzE6C8T29RJnXAekUi0TO0leGc dNavq6Cts3q4Y8NJ0SqSgh4oSvYYxApdJYk4nvT/eeSZYx4uBPadoNfTwfUsH1DAuTQD kqGwC6g7+7Mxw8SaR3TXca5fIpGCSCdVuSEy+T7BELjBM+zFKVa+pKgU2C0Wy0wxzDtI g2NHLGceeMUk7DW06dUEFrjYcA21JCFXBqRQTGaM/0ap7F6VOw6CHBdFnAPO35kfk118 YndXAbahqkgoPlGsd57fl4sn964/VS7GWsm+tl4q+v3r08mF51IMIsSB/HJcNSwUdGyA TbEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=SXXfUbxitLxem4y5IOmlGNcXjSvMqPDKJf33Q5FpRTM=; b=CPyiMTxtGjN6QVy+yLgrcK9fu0j/L9s6RN3E5a+cEbRi3fKyX5Eq7hE/f998+9m5ku vykdqwasb1HrHbY0v0yYoE0sEeFmAA/62DV6bd7iy/gv/Z+UmCXGfIV8d14GT0evv+tM dc6fG7MBaeaA+ktYe6PO8h+R9a7EYNQaBJZU3Y+MzTgzk2uZobbnJ8eE7AhVT07Pv0Dt dGD6SbzD91oNgIjit8rSoTzsMeVR8+zUZII/T48C6FP8tFSzGA+jNyyvsn34Qrx/zSa9 2knEKrWFpYcWiXEJzrASeOkA9+/L1fmHr4RTc9XRjGMNft8uaBg7TXY9IGazwF5yUrjk ECsw== X-Gm-Message-State: AOAM532167eXu6xPejsX+1NdW/UO2Sulnvchxl83gjKH6OdikDked+4k 6oZyc/MYgsOoOhsCCAu6sqUyXQ== X-Google-Smtp-Source: ABdhPJzbRrLp4UqUBBV/1iVunsJ7Ia5up2kgNLKYTf6vRlt9VH19h4d1D6DqoUUSnWjHiOffkRH5Tw== X-Received: by 2002:a17:90b:1950:: with SMTP id nk16mr1333994pjb.140.1615847173500; Mon, 15 Mar 2021 15:26:13 -0700 (PDT) Received: from google.com ([2620:15c:f:10:3d60:4c70:d756:da57]) by smtp.gmail.com with ESMTPSA id 23sm16026771pge.0.2021.03.15.15.26.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Mar 2021 15:26:12 -0700 (PDT) Date: Mon, 15 Mar 2021 15:26:06 -0700 From: Sean Christopherson To: Ben Gardon Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Paolo Bonzini , Peter Shier , Jim Mattson , kernel test robot Subject: Re: [PATCH v2 2/4] KVM: x86/mmu: Fix RCU usage when atomically zapping SPTEs Message-ID: References: <20210315182643.2437374-1-bgardon@google.com> <20210315182643.2437374-3-bgardon@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210315182643.2437374-3-bgardon@google.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Mar 15, 2021, Ben Gardon wrote: > Fix a missing rcu_dereference in tdp_mmu_zap_spte_atomic. > > Reported-by: kernel test robot > Signed-off-by: Ben Gardon > --- Reviewed-by: Sean Christopherson