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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id a12sm21888333wrx.5.2021.03.16.10.38.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Mar 2021 10:38:41 -0700 (PDT) Subject: Re: Windows 10 won't run on default x86_64 machine anymore To: Reinoud Zandijk References: <20210315185302.29b0d90d@redhat.com> <20210316015503.GA1008366@private.email.ne.jp> <20210316131304.220a53b9@redhat.com> <9e2e1d83-29c1-053a-fd43-187f6f824b39@redhat.com> From: Paolo Bonzini Message-ID: <7be4087b-fb7c-2206-d408-af3b7141e6a7@redhat.com> Date: Tue, 16 Mar 2021 18:38:40 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Igor Mammedov , qemu-devel@nongnu.org, Isaku Yamahata Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 16/03/21 17:27, Reinoud Zandijk wrote: > On Tue, Mar 16, 2021 at 01:49:57PM +0100, Paolo Bonzini wrote: >> On 16/03/21 13:13, Igor Mammedov wrote: >>>> Although I don't know about nvmm case, this function also needs to be updated >>>> if smi isn't supported. >>> can you submit a patch for this please? > >> nvmm is not part of upstream yet, so I guess it's up to Reinoud to fix it. >> Still, reproducing his testing conditions with KVM and -M smm=off is >> probably interesting because it also affects HAX, HVF and WHPX which are >> supported upstream. > > As stated in my other mail, I think NVMM supports the SMI. I doubt, even KVM only supports it as a kind of "fringe" feature for secure boot. But anyway, feel free to post the patches now and we'll have time to do more passes if needed, during the freeze. Paolo > We would have liked > to add NVMM in the comming 6.0 release but I see we missed the timeframe as > the soft feature freeze date is today. > > It was posted here some months before but somehow it got stalled and when the > main NVMM developer left the project to persuit other things it kind of > stalled. I've now forward ported NVMM support to todays Qemu sources. > > With regards, > Reinoud >