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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 9A674C433FF for ; Sat, 3 Aug 2019 06:41:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65B262166E for ; Sat, 3 Aug 2019 06:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726942AbfHCGla (ORCPT ); Sat, 3 Aug 2019 02:41:30 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:42245 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726797AbfHCGla (ORCPT ); Sat, 3 Aug 2019 02:41:30 -0400 Received: by mail-wr1-f68.google.com with SMTP id x1so29402762wrr.9 for ; Fri, 02 Aug 2019 23:41:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=bCAARCxw6zb522vIF1/F1TsSvMa3dI/ciDgyTzIdOx4=; b=U1L7fsMK2xNC56RfO8Oj0JT9g2kMeOxqO59VaXpRfZ2/lUlT4OkUwl7h/f/NbBafxL KebDbYZbtUBYYUZMVuO2BmA23ptJqJK1EHGyzYHqZhUOf6ROK1bCHIDOR+X4b63elgYH QXV3rb/Y9KdrqRGhEh9alHE3bzk0wfKzqRsLuPOWqQbs3HFjmIcz/7bXHusn/HKYrtNP Fe1HISk8AWyFk81do/bg1iqJFKlpQTeyTEWo0xCqCfqU/h9oWY800h6l1HPT6+j0b+tB LSsrFrV6tUpo8ZpzWSSf0ouGWBGF/XQB9gp4oQ5hSHL+Cwe6qBN2vCj0DyAQNx+wy1ec eghg== X-Gm-Message-State: APjAAAWC0wZ8/dC0QcV9THfxw0F+MekFvPCznAayosR+Mv2I2/BHs8e+ ZhBM/GT4Nkbe67OYU548sp+P8f95o1E= X-Google-Smtp-Source: APXvYqy7OSGxNl0+EgJQYDBAzWv2iXpLXjLUXVT0UHiSR68dXLvHmgd68cVQXfzTdbdnNdl7ggLLLQ== X-Received: by 2002:adf:ed4a:: with SMTP id u10mr66202962wro.284.1564814487966; Fri, 02 Aug 2019 23:41:27 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:4013:e920:9388:c3ff? ([2001:b07:6468:f312:4013:e920:9388:c3ff]) by smtp.gmail.com with ESMTPSA id 17sm64589032wmx.47.2019.08.02.23.41.27 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Fri, 02 Aug 2019 23:41:27 -0700 (PDT) Subject: Re: [PATCH v3 1/3] KVM: Fix leak vCPU's VMCS value into other pCPU To: Wanpeng Li , Sasha Levin Cc: Wanpeng Li , LKML , kvm , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Christian Borntraeger , Marc Zyngier , "# v3 . 10+" References: <1564630214-28442-1-git-send-email-wanpengli@tencent.com> <20190801133133.955E4216C8@mail.kernel.org> From: Paolo Bonzini Openpgp: preference=signencrypt Message-ID: Date: Sat, 3 Aug 2019 08:41:26 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/08/19 02:46, Wanpeng Li wrote: > Thanks for reporting this, after more grep, it seems that just x86 and > s390 enable async_pf in their Makefile. So I can move 'if > (!list_empty_careful(&vcpu->async_pf.done))' checking to > kvm_arch_dy_runnable() No, wrap it with #ifdef CONFIG_KVM_ASYNC_PF instead. Thanks! Paolo