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[37.24.71.28]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b6d8541fb5bsm261624466b.56.2025.10.25.11.25.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 25 Oct 2025 11:25:59 -0700 (PDT) Message-ID: <59eb5630-a91b-46d4-bf0e-f8b763119c00@linaro.org> Date: Sat, 25 Oct 2025 20:25:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 42/58] target/arm/hvf: Implement dirty page tracking To: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Cc: Paolo Bonzini , Mohamed Mediouni , Stefan Hajnoczi , Alexander Graf , Peter Collingbourne , Cameron Esfahani , qemu-arm@nongnu.org, Mads Ynddal , Phil Dennis-Jordan , Peter Maydell , Roman Bolshakov References: <20251023114638.5667-1-philmd@linaro.org> <20251023130625.9157-1-philmd@linaro.org> From: Richard Henderson Content-Language: en-US In-Reply-To: <20251023130625.9157-1-philmd@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-ej1-x632.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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On 10/23/25 15:06, Philippe Mathieu-Daudé wrote: > + /* Handle dirty page logging for ram. */ > + if (iswrite) { > + hwaddr xlat; > + MemoryRegion *mr = address_space_translate(as, ipa, &xlat, > + NULL, true, > + MEMTXATTRS_UNSPECIFIED); > + if (memory_region_is_ram(mr)) { > + uint64_t ipa_page = ipa & TARGET_PAGE_MASK; > + > + /* TODO: Inject exception to the guest. */ > + assert(!mr->readonly); > + > + if (memory_region_get_dirty_log_mask(mr)) { > + memory_region_set_dirty(mr, ipa_page + xlat, > + TARGET_PAGE_SIZE); > + hvf_unprotect_dirty_range(ipa_page, TARGET_PAGE_SIZE); > + } We need to use the host page size/mask, not TARGET_PAGE_SIZE/MASK here. r~