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Tsirkin" , Marcel Apfelbaum , "open list:X86 Xen CPUs" Subject: Re: [QEMU][PATCH v3 2/7] xen: add pseudo RAM region for grant mappings In-Reply-To: <20240227223501.28475-3-vikram.garhwal@amd.com> (Vikram Garhwal's message of "Tue, 27 Feb 2024 14:34:56 -0800") References: <20240227223501.28475-1-vikram.garhwal@amd.com> <20240227223501.28475-3-vikram.garhwal@amd.com> User-Agent: mu4e 1.12.0; emacs 29.1 Date: Fri, 01 Mar 2024 14:05:42 +0000 Message-ID: <875xy659op.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x433.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Vikram Garhwal writes: > From: Juergen Gross > > Add a memory region which can be used to automatically map granted > memory. It is starting at 0x8000000000000000ULL in order to be able to > distinguish it from normal RAM. Is the Xen memory map for HVM guests documented anywhere? I couldn't find anything googling or on the Xen wiki. I'm guessing this is going to be shared across all 64 bit HVM arches in Xen? Anyway: Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro