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[174.21.84.25]) by smtp.gmail.com with ESMTPSA id v15sm23882201pgl.44.2021.03.03.13.36.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Mar 2021 13:36:40 -0800 (PST) Subject: Re: [PATCH v4] target/s390x: Implement the MVPG condition-code-option bit To: David Hildenbrand References: <1e13f11b-4c4f-83c6-5c83-8c8accc4f6cc@linaro.org> <42016B7B-A144-4319-9F48-92C029083274@redhat.com> From: Richard Henderson Message-ID: <0ac4007e-001b-73b5-8023-fbfc9ef94eed@linaro.org> Date: Wed, 3 Mar 2021 13:36:38 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <42016B7B-A144-4319-9F48-92C029083274@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, 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_NONE=-0.0001, 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: Thomas Huth , Janosch Frank , Cornelia Huck , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Claudio Imbrenda Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/3/21 1:22 PM, David Hildenbrand wrote: > >> Am 03.03.2021 um 22:19 schrieb Richard Henderson : >> >> On 3/3/21 1:11 PM, David Hildenbrand wrote: >>> MMIO on s390x? :) >> >> hw/s390x/s390-pci-bus.c, memory_region_init_io*(). >> > > ... part of system address space where a CPU could stumble over it? Impossible to tell within 3 layers of object wrappers. :-( I suppose I have no idea how "pci" was hacked onto s390x. r~