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([2001:b07:6468:f312:9def:34a0:b68d:9993]) by smtp.gmail.com with ESMTPSA id t1sm49390231wrs.41.2020.03.05.08.42.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Mar 2020 08:43:00 -0800 (PST) Subject: Re: [PATCH v2 0/7] KVM: x86: CPUID emulation and tracing fixes To: Sean Christopherson Cc: Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Pu Wen References: <20200305013437.8578-1-sean.j.christopherson@intel.com> From: Paolo Bonzini Message-ID: <6071310f-dd4b-6a6d-5578-7b6f72a9b1be@redhat.com> Date: Thu, 5 Mar 2020 17:42:59 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200305013437.8578-1-sean.j.christopherson@intel.com> 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 05/03/20 02:34, Sean Christopherson wrote: > > In theory, everything up to the refactoring is non-controversial, i.e. we > can bikeshed the refactoring without delaying the bug fixes. Even the refactoring itself is much less controversial. I queued everything, there's always time to unqueue. Paolo > v2: > - Use Jan's patch to fix the trace bug. [Everyone] > - Rework Hypervisor/Centaur handling so that only the Hypervisor > sub-ranges get the restrictive 0xffffff00 mask, and so that Centaur's > range only gets recognized when the guest vendor is Centaur. [Jim] > - Add the aforementioned bug fixes. > - Add a patch to do build time assertions on the vendor string, which > are hand coded u32s in the emulator (for direct comparison against > CPUID register output). > - Drop the patch to add CPUID.maxphyaddr emulator helper. [Paolo] > - Redo refactoring patches to land them after all the bug fixes > and to do the refactoring without any semantic changes in the > emulator.