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 B252FC433EF for ; Wed, 20 Jul 2022 17:12:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236220AbiGTRMz (ORCPT ); Wed, 20 Jul 2022 13:12:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230102AbiGTRMx (ORCPT ); Wed, 20 Jul 2022 13:12:53 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2408C6E2C4 for ; Wed, 20 Jul 2022 10:12:53 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id c3so16121751pfb.13 for ; Wed, 20 Jul 2022 10:12:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=bQl0D8zDrRiF3mJ6TcyM48t/M2yZQ/9TBfT8hc8mOu8=; b=sDoPzvEjkHDs8UN6jGnE915y436nioMGhcDMXf8MbpmSbIc2a7vpbtGpjAfEaYwQsi b1gZZfwW2qvy3NVBkatUKACyYkiySYS3uN8T2GsQPByoRi/Tvb28/gze4wJmjmGe9g0E numud4Ix6k5e5C0/d0yf3DUrRATyoMndZQovKZvjc058/hHLhQ9tEGqzrMlndEvJMbND Gi1LKu+LMqbzuTPMSbJsTYNo0xv9Izwi3Tpc61O/6uozKeiJm8urTyKLwPSLK0/M3YW4 mmj+jVSKSujoh5e1g5uSeR5S2AmWt3Dj0kzltyOZqU3trKueMj2jVjdScKqtRxXy3wyc hk1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=bQl0D8zDrRiF3mJ6TcyM48t/M2yZQ/9TBfT8hc8mOu8=; b=NLRcoJeajRuecSLm+kmq3lrLTjo2XubKHEQOzqvrOzKHY2B4mxXJ/62XG5+AJxvGpf +1oaL5RbUgsMzHTNE4WfjBAtn/euv4tYb0/cyVVzdoMfS4EzQiEcag/SlcucuriGtnEf TRXVKtpnzEDFAqwSwTjzTdvOpZ2YOPpQebrP5zUq6fJPQO08PuWPNLRVSJ6iyn9b6yt6 yFwkCZyCKxzcw6K1N8CaqqWzi/tdUv/vYechbMEU4FhbPF1tIXMURk4gz/ha52OLcPth wjP6wq13wYw5vem5UJxBY6mrvaK/ANNw5kOcFtNxqjK09Le2e1QkNHEGDbAPK7nVZQhd QeSg== X-Gm-Message-State: AJIora/bT7Jh8hnsGIs+XPbL+aiAIS69Op2fqUHIig7Cc5ODIzhUMAx7 VGOdaKyeSnqCSxPt0VS2a2Rwjw== X-Google-Smtp-Source: AGRyM1vSEE9Qh0pg3VxxvDX5Io5BOoTmf6V4vi5NX1NnOQmSJ3mQvCTVBFrLnIUlEuv4VfvR9skC3w== X-Received: by 2002:a05:6a00:16c7:b0:520:6ede:2539 with SMTP id l7-20020a056a0016c700b005206ede2539mr39586714pfc.46.1658337172519; Wed, 20 Jul 2022 10:12:52 -0700 (PDT) Received: from google.com (123.65.230.35.bc.googleusercontent.com. [35.230.65.123]) by smtp.gmail.com with ESMTPSA id b2-20020a170902650200b0016cdbb22c28sm10227813plk.0.2022.07.20.10.12.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jul 2022 10:12:52 -0700 (PDT) Date: Wed, 20 Jul 2022 17:12:48 +0000 From: Sean Christopherson To: Kechen Lu Cc: kvm@vger.kernel.org, pbonzini@redhat.com, vkuznets@redhat.com, somduttar@nvidia.com, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v3 1/7] KVM: x86: only allow exits disable before vCPUs created Message-ID: References: <20220615011622.136646-1-kechenl@nvidia.com> <20220615011622.136646-2-kechenl@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220615011622.136646-2-kechenl@nvidia.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 14, 2022, Kechen Lu wrote: > From: Sean Christopherson > > Since VMX and SVM both would never update the control bits if exits > are disable after vCPUs are created, only allow setting exits > disable flag before vCPU creation. > > Fixes: 4d5422cea3b6 ("KVM: X86: Provide a capability to disable MWAIT > intercepts") Don't wrap the Fixes: line (ignore any complaints from checkpatch). > Signed-off-by: Sean Christopherson > Signed-off-by: Kechen Lu > ---