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[189.204.159.168]) by smtp.gmail.com with ESMTPSA id p22sm2127578otf.25.2021.03.26.05.58.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Mar 2021 05:58:36 -0700 (PDT) Subject: Re: [RFC PATCH-for-6.1 00/10] hw/misc: Add memory_region_add_subregion_aliased() helper To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20210326002728.1069834-1-f4bug@amsat.org> From: Richard Henderson Message-ID: <1218f5d9-a9c1-6569-997c-78abd1219024@linaro.org> Date: Fri, 26 Mar 2021 06:58:33 -0600 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: <20210326002728.1069834-1-f4bug@amsat.org> 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::235; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x235.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Alistair Francis , Mark Cave-Ayland , Laurent Vivier , qemu-arm@nongnu.org, qemu-ppc@nongnu.org, "Edgar E. Iglesias" , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/25/21 6:27 PM, Philippe Mathieu-Daudé wrote: > This series introduce the memory_region_add_subregion_aliased() > helper which basically create a device which maps a subregion > multiple times. I must say, the example mtree changes are persuasive. I'll look in more detail later. r~