Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Mon, 5 Sep 2022 17:07:09 +0000
From:   Wei Liu <wei.liu@kernel.org>
To:     Vitaly Kuznetsov <vkuznets@redhat.com>
Cc:     kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
        Sean Christopherson <seanjc@google.com>,
        Wanpeng Li <wanpengli@tencent.com>,
        Jim Mattson <jmattson@google.com>,
        Michael Kelley <mikelley@microsoft.com>,
        Yuan Yao <yuan.yao@linux.intel.com>,
        Maxim Levitsky <mlevitsk@redhat.com>,
        linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
        Wei Liu <wei.liu@kernel.org>
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

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 <vkuznets@redhat.com>
> [sean: split to separate patch]
> Signed-off-by: Sean Christopherson <seanjc@google.com>

Reviewed-by: Wei Liu <wei.liu@kernel.org>