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Date:   Fri, 9 Sep 2022 10:15:16 +0800
From:   Chao Gao <chao.gao@intel.com>
To:     <isaku.yamahata@intel.com>
CC:     <linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Sean Christopherson <seanjc@google.com>,
        Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>,
        Yuan Yao <yuan.yao@linux.intel.com>,
        <isaku.yamahata@gmail.com>, Kai Huang <kai.huang@intel.com>,
        Atish Patra <atishp@atishpatra.org>,
        Shaokun Zhang <zhangshaokun@hisilicon.com>,
        Qi Liu <liuqi115@huawei.com>,
        John Garry <john.garry@huawei.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        "Huang Ying" <ying.huang@intel.com>,
        Huacai Chen <chenhuacai@kernel.org>
Subject: Re: [PATCH v4 09/26] KVM: Do processor compatibility check on resume
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References: <cover.1662679124.git.isaku.yamahata@intel.com>
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On Thu, Sep 08, 2022 at 04:25:25PM -0700, isaku.yamahata@intel.com wrote:
>From: Isaku Yamahata <isaku.yamahata@intel.com>
>
>So far the processor compatibility check is not done on resume. It should
>be done.  The resume is called for resuming from S3/S4.  CPUs can be
>replaced or the kernel can resume from S4 on a different machine.  So

Are they valid cases handled by other kernel components? Trying to
handle them in KVM only doesn't help as kernel is likely to fail
somewhere else.