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envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.743, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: Peter Maydell , David Hildenbrand , Jason Wang , Li Qiang , qemu-devel@nongnu.org, Qiuhao Li , Alexander Bulekov , qemu-arm@nongnu.org, Gerd Hoffmann , Stefan Hajnoczi , Paolo Bonzini , "Edgar E . Iglesias" Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: 5Ol92Dd/wLME On Mon, Aug 23, 2021 at 06:41:57PM +0200, Philippe Mathieu-Daudé wrote: > @@ -2772,7 +2772,22 @@ static inline bool flatview_access_allowed(MemoryRegion *mr, MemTxAttrs attrs, > hwaddr addr, hwaddr len, > MemTxResult *result) > { > - return true; > + if (unlikely(attrs.bus_perm == MEMTXPERM_RAM_DEVICE)) { > + if (memory_region_is_ram(mr) || memory_region_is_ram_device(mr)) { memory_region_is_ram() should be enough ("ram_device" is only set if "ram" is set)? Thanks, -- Peter Xu