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[88.21.201.17]) by smtp.gmail.com with ESMTPSA id 18sm3076941wmj.21.2021.03.12.10.28.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 10:28:53 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 0/5] memory: Forbid mapping AddressSpace root MemoryRegion Date: Fri, 12 Mar 2021 19:28:46 +0100 Message-Id: <20210312182851.1922972-1-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 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::333; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x333.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 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=0.249, RCVD_IN_DNSWL_NONE=-0.0001, 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: qemu-ppc@nongnu.org, Peter Maydell , Andrew Jeffery , Alistair Francis , Greg Kurz , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, =?UTF-8?q?Herv=C3=A9=20Poussineau?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Paolo Bonzini , David Gibson , Joel Stanley Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi,=0D =0D This series is the result of a long thread with Peter:=0D https://www.mail-archive.com/qemu-devel@nongnu.org/msg788366.html=0D =0D AddressSpace are physical address view and shouldn't be using=0D non-zero base address. The correct way to map a MR used as AS=0D root is to use a MR alias.=0D =0D Fix the current incorrect uses, then forbid further use.=0D =0D Peter Xu (1):=0D memory: Make sure root MR won't be added as subregion=0D =0D Philippe Mathieu-Daud=C3=A9 (4):=0D hw/arm/aspeed: Do not directly map ram container onto main address bus=0D hw/arm/aspeed: Do not sysbus-map mmio flash region directly, use alias=0D hw/pci-host/prep: Remove unuseful memory region mapping=0D hw/pci-host/prep: Do not directly map bus-master region onto main bus=0D =0D include/exec/memory.h | 1 +=0D include/hw/ssi/aspeed_smc.h | 1 +=0D hw/arm/aspeed.c | 6 +++++-=0D hw/pci-host/prep.c | 17 ++++++++---------=0D hw/ssi/aspeed_smc.c | 4 +++-=0D softmmu/memory.c | 2 ++=0D 6 files changed, 20 insertions(+), 11 deletions(-)=0D =0D -- =0D 2.26.2=0D =0D