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[83.52.55.163]) by smtp.gmail.com with ESMTPSA id p5sm5560295wrd.25.2021.08.20.00.17.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Aug 2021 00:17:23 -0700 (PDT) Subject: Re: [RFC PATCH 6/6] memory: Have address_space_create() re-use global &address_space_memory To: Gerd Hoffmann , Peter Maydell References: <20210819142039.2825366-1-philmd@redhat.com> <20210819142039.2825366-7-philmd@redhat.com> <20210820060703.njdj5pfa3lz66zjb@sirius.home.kraxel.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Fri, 20 Aug 2021 09:17:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210820060703.njdj5pfa3lz66zjb@sirius.home.kraxel.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -60 X-Spam_score: -6.1 X-Spam_bar: ------ X-Spam_report: (-6.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.7, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-2.591, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: David Hildenbrand , Mark Cave-Ayland , Alistair Francis , Jianxian Wen , QEMU Developers , Peter Xu , qemu-arm , "Edgar E. Iglesias" , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/20/21 8:07 AM, Gerd Hoffmann wrote: > Hi, > >> This also seems to me to be the tail wagging the dog. If we think >> 'info mtree' has too much duplicate information (which it certainly >> does) then we should make mtree_info() smarter about reducing that >> duplication. Off the top of my head, we could change the code that >> prints ASes to do something like: > >> qemu_printf("...same as address-space %s\n", name); > > Neat idea. > > Having 'info mtree' accept an (optional) 'name' parameter to pick an > address space to be printed would be useful too. Yeah, for now I am thinking of a match string (for my use cases): (qemu) info mtree -a dma # all address spaces matching *dma*