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 A27CBECAAD3 for ; Mon, 5 Sep 2022 17:07:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236472AbiIERHR (ORCPT ); Mon, 5 Sep 2022 13:07:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237660AbiIERHQ (ORCPT ); Mon, 5 Sep 2022 13:07:16 -0400 Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BEEB4BD00; Mon, 5 Sep 2022 10:07:15 -0700 (PDT) Received: by mail-wr1-f45.google.com with SMTP id bp20so11651906wrb.9; Mon, 05 Sep 2022 10:07:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=b4juj7B2UONec9DN5R9H+S5J6rQPs3/+0cM2WjUaO5k=; b=iFovOR/Wfh1IQeXRIxmdXPrwAhHTKj6ANR+tbCVF6tOoIO+5WWLxzFcbQJEA6ae7iG j2bAzv+RS3H65Q2vSIfslGEc7pFaMBEBSoB4gNYi4vfa1mqAqk9n4jnJiNwVZTeJ3CwQ rmOcdQocNxHTTv3h4tQuNrT777A4fpGoYrRaT/hx2u+XoFDoCaGGvD8qEXAONOouQ4Dc qaQ+jNS2JM3Rb2VAfusoPJ2LxojYuUlbMgzNFFii65oFTYp5r5Yqwd+fghwUjqSh1/YK UdWe8qpcsD1HGGP9QKZKdOQwscZRvbOnqjvvdLyQM558WSB4+HZfUYU59MOKT3uzD9tR xBiA== X-Gm-Message-State: ACgBeo1H6VCBes4DG6EQEvevn8qXRkLvupHzD8fyby3tAGvIKdjsebF5 5B72i59tgXN0Hl+MRThXKPk/1TSGGB4= X-Google-Smtp-Source: AA6agR54pyDETu2sUWvvNJ9LGzrJCmE5taGD4owhWNoFpkTFhjbzyeLvcU3XR9YDt94/RKUzsbwUZw== X-Received: by 2002:adf:de01:0:b0:228:62ae:78bc with SMTP id b1-20020adfde01000000b0022862ae78bcmr5547587wrm.41.1662397633989; Mon, 05 Sep 2022 10:07:13 -0700 (PDT) Received: from liuwe-devbox-debian-v2 ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id bp8-20020a5d5a88000000b002252e5a6841sm9412547wrb.57.2022.09.05.10.07.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Sep 2022 10:07:13 -0700 (PDT) Date: Mon, 5 Sep 2022 17:07:09 +0000 From: Wei Liu To: Vitaly Kuznetsov Cc: kvm@vger.kernel.org, Paolo Bonzini , Sean Christopherson , Wanpeng Li , Jim Mattson , Michael Kelley , Yuan Yao , Maxim Levitsky , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, Wei Liu Subject: Re: [PATCH v6 03/33] KVM: x86: Zero out entire Hyper-V CPUID cache before processing entries Message-ID: <20220905170709.dn5zp6wq5vo4cq2c@liuwe-devbox-debian-v2> References: <20220830133737.1539624-1-vkuznets@redhat.com> <20220830133737.1539624-4-vkuznets@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220830133737.1539624-4-vkuznets@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org On Tue, Aug 30, 2022 at 03:37:07PM +0200, Vitaly Kuznetsov wrote: > Wipe the whole 'hv_vcpu->cpuid_cache' with memset() instead of having to > zero each particular member when the corresponding CPUID entry was not > found. > > No functional change intended. > > Signed-off-by: Vitaly Kuznetsov > [sean: split to separate patch] > Signed-off-by: Sean Christopherson Reviewed-by: Wei Liu