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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.googlemail.com with ESMTPSA id az29sm2698557wmb.31.2022.01.18.04.39.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Jan 2022 04:40:00 -0800 (PST) Message-ID: <6941a519-3a26-e57c-5582-7238da90d263@redhat.com> Date: Tue, 18 Jan 2022 13:39:59 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [RFC PATCH 2/7] x86: Add AMX XTILECFG and XTILEDATA components Content-Language: en-US To: "Tian, Kevin" , "Zhong, Yang" , "qemu-devel@nongnu.org" References: <20220107093134.136441-1-yang.zhong@intel.com> <20220107093134.136441-3-yang.zhong@intel.com> From: Paolo Bonzini In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::336 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=paolo.bonzini@gmail.com; helo=mail-wm1-x336.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.248, NICE_REPLY_A=-0.001, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Zeng, Guang" , "Wang, Wei W" , "jing2.liu@linux.intel.com" , "Christopherson, , Sean" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 1/10/22 09:23, Tian, Kevin wrote: >> >> AMX XTILECFG and XTILEDATA are managed by XSAVE feature >> set. State component 17 is used for 64-byte TILECFG register >> (XTILECFG state) and component 18 is used for 8192 bytes >> of tile data (XTILEDATA state). > to be consistent, "tile data" -> "TILEDATA" > Previous sentences use "XTILECFG" / "XTILEDATA", not "TILEDATA". So I would say: The AMX TILECFG register and the TMMx tile data registers are saved/restored via XSAVE, respectively in state component 17 (64 bytes) and state component 18 (8192 bytes). Paolo