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 794B8C433F5 for ; Fri, 18 Feb 2022 18:47:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239337AbiBRSrQ (ORCPT ); Fri, 18 Feb 2022 13:47:16 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:41050 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238706AbiBRSrJ (ORCPT ); Fri, 18 Feb 2022 13:47:09 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C622713E10 for ; Fri, 18 Feb 2022 10:46:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645210011; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j4AtUKdetjfbUWDMIVmKhaD+IokO5XwjAf4ZeGwgD5o=; b=E5hDTvi1kINeQjElv13278gp3KAhL6LJtTMG6mWLSPUwiiybVDm1F7bV4XoSpabUMMlzzQ nZwmZumZ1A6CDZng6lmj9HCMavv0/TKEvN2e8Ni2wpsvRKV/yS0KB9rljh06W+sx/G9uPT 0PfYd+dEA3505YdikZN9IyjD+rcn07s= Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-643-KUlURqKYO6a6aLsTsuz0lA-1; Fri, 18 Feb 2022 13:46:50 -0500 X-MC-Unique: KUlURqKYO6a6aLsTsuz0lA-1 Received: by mail-ej1-f72.google.com with SMTP id o4-20020a170906768400b006a981625756so3494964ejm.0 for ; Fri, 18 Feb 2022 10:46:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=j4AtUKdetjfbUWDMIVmKhaD+IokO5XwjAf4ZeGwgD5o=; b=j26Gdxtb9QW7qC8lOylh5+u12zDGJDfEpt4fRw+j/otctVoqmY79+IrNii1jjIi7Du QsJXCbUU0K2Nkaj3BdY0IuZv220tpx7OPzX7WXJVOxNlJVYAKaplCi5B329sT8ErhtNI yCiz6QMz/kceaxGnYNKPLzf8sFO1iPBAWxpwq+eZ0PfNCbcjE7ZCtDSqhmYOBSzrrqM7 UjMszoPTs6+sOjxIbPVsaqQyUJX9MTXli+ftJB7BTY4cc+eI7vCT4hM3k8bQpor0w5K7 4MV0k5vd8H8MUHu2SM1kBqRSU9gCwAstmPolLXp0/kAXQ6ZEqquK85lm7Bzltxqo75he tmNg== X-Gm-Message-State: AOAM533QXmS/oRSxKbhmmNZ+dd0XzOXsO7g+oURjMtPgOOe7Pf3Yis1r luCJ9f3yqLMNXNgV1muHVdg4h00ouLUtb9iVy67sDlJ0sKK1EkT7PaxU6W8ZLCWYKdwbCTGFuQF C4073Heb++IrnO5ckj8HmlTQV X-Received: by 2002:a50:c082:0:b0:402:c2dd:5567 with SMTP id k2-20020a50c082000000b00402c2dd5567mr9769568edf.113.1645210008656; Fri, 18 Feb 2022 10:46:48 -0800 (PST) X-Google-Smtp-Source: ABdhPJxqzh/mZWjIeLwSt0SDcmglddr5v+ON2zOTKVj74G+ah3yUrrEbyn4yp0hjVEDGrhAorl500Q== X-Received: by 2002:a50:c082:0:b0:402:c2dd:5567 with SMTP id k2-20020a50c082000000b00402c2dd5567mr9769554edf.113.1645210008412; Fri, 18 Feb 2022 10:46:48 -0800 (PST) Received: from ?IPV6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.googlemail.com with ESMTPSA id j9sm2491562ejo.106.2022.02.18.10.46.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Feb 2022 10:46:47 -0800 (PST) Message-ID: <219937f8-6b49-47db-4ecf-f354b110da1c@redhat.com> Date: Fri, 18 Feb 2022 19:46:39 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v2 07/18] KVM: x86/mmu: Do not use guest root level in audit Content-Language: en-US To: Sean Christopherson Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Lai Jiangshan References: <20220217210340.312449-1-pbonzini@redhat.com> <20220217210340.312449-8-pbonzini@redhat.com> From: Paolo Bonzini In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/18/22 19:37, Sean Christopherson wrote: > Since I keep bringing it up... > > From: Sean Christopherson > Date: Fri, 18 Feb 2022 09:43:05 -0800 > Subject: [PATCH] KVM: x86/mmu: Remove MMU auditing > > Remove mmu_audit.c and all its collateral, the auditing code has suffered > severe bitrot, ironically partly due to shadow paging being more stable > and thus not benefiting as much from auditing, but mostly due to TDP > supplanting shadow paging for non-nested guests and shadowing of nested > TDP not heavily stressing the logic that is being audited. > > Signed-off-by: Sean Christopherson Queued, thanks. O:-) Paolo