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[23.128.96.18]) by mx.google.com with ESMTP id j3si7618202ilu.69.2021.08.05.22.49.58; Thu, 05 Aug 2021 22:50:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=jSeCtqHh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241771AbhHEWfp (ORCPT + 99 others); Thu, 5 Aug 2021 18:35:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241310AbhHEWfg (ORCPT ); Thu, 5 Aug 2021 18:35:36 -0400 Received: from mail-ot1-x334.google.com (mail-ot1-x334.google.com [IPv6:2607:f8b0:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2439C06179E for ; Thu, 5 Aug 2021 15:35:20 -0700 (PDT) Received: by mail-ot1-x334.google.com with SMTP id g5-20020a9d6b050000b02904f21e977c3eso6816513otp.5 for ; Thu, 05 Aug 2021 15:35:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KVTnHbOM2DIScdbOMEPWTzanu221l3U7VK0cHnd3T5E=; b=jSeCtqHhi/x79MnldARKBL7d9Q5jQRTtyGjjvO7BlYCrgANaxgE/iHQrfOzrtugUN6 HzjuE/bbR6a5M3ZVLtyoDbDvjPoFZSCPw/s6Ae3pUgYA/wdS4WVLYf/xmsswwI0ByBAX f6XnZy05IkxYlIbdTviVjXeZHWYWN5xr1yto4Hmp+knx9DUH67jN5ur+HjlAXU9MBfkz LVo2vdBlDjeV5WnLyemK2vl9IWA6UoF35BJUo1cdrMq5Z5UbYdn0qYzh4LycMTXEGI0D VMasLhu35ZfoiBiSdk6A7Ylx5RlBtvIFOajLumF4zXSbUz55tCpzEBUOjg4wzzGctQcd 2xRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=KVTnHbOM2DIScdbOMEPWTzanu221l3U7VK0cHnd3T5E=; b=s+gtF376Am2iPUrRFjosGq9SmU2Oqd1Fc8rOwJMTJWegoSPwJXvKXUC142P+6jLv4M R2Dw5FYQO9Uxx6DmlxElRNEfR1bO/Q27PmTb9Me/T/Ww6EBWQoaSGJswu5+vYnVbctAz o3PA0aF1BmYSBS2sTQttBK7uMfGByFmYsaZgovZCltVATqFLekZYZFnJ+mGQhiQfyBJl PAOX0ed+PQI1dSS7oN+mLhTzbkwwdYoeVBLH42xAIQw6+eQi8UY1DiJy9F3rjfOY5xrK h6ogctt066/Rse+rM2AB8UuL+4Qxz1EiGZa8SUh67xNQb+RHVkUviwtgmbKAc/S8m2tq H24g== X-Gm-Message-State: AOAM5336boReMHa9H08D1Z7Au8aKFciNz3JUejUg07par4QoerCCKggn bL/ywsBhLm4A0YgFnmUlwDVtMhLWTT5Y8t1JfcfyNA== X-Received: by 2002:a9d:76d0:: with SMTP id p16mr5424740otl.241.1628202919840; Thu, 05 Aug 2021 15:35:19 -0700 (PDT) MIME-Version: 1.0 References: <20210805205504.2647362-1-wei.huang2@amd.com> <20210805205504.2647362-2-wei.huang2@amd.com> In-Reply-To: <20210805205504.2647362-2-wei.huang2@amd.com> From: Jim Mattson Date: Thu, 5 Aug 2021 15:35:08 -0700 Message-ID: Subject: Re: [PATCH v1 1/3] KVM: x86: Convert TDP level calculation to vendor's specific code To: Wei Huang Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, vkuznets@redhat.com, seanjc@google.com, wanpengli@tencent.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 5, 2021 at 1:55 PM Wei Huang wrote: > > This design assumes that all x86 CPUs have the flexibility of changing the nested page table level different from host CPU. I can't even parse this sentence. What are you trying to say here?