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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-475c428e9b2sm100877545e9.5.2025.10.23.07.43.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 Oct 2025 07:43:56 -0700 (PDT) Message-ID: <0607976a-657d-407e-a226-07744a437bf6@linaro.org> Date: Thu, 23 Oct 2025 16:43:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 42/58] target/arm/hvf: Implement dirty page tracking Content-Language: en-US To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Richard Henderson , 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: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= 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::32b; envelope-from=philmd@linaro.org; helo=mail-wm1-x32b.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=unavailable 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 On 23/10/25 15:06, Philippe Mathieu-Daudé wrote: > From: Richard Henderson > > Notice writes to pages which are being monitored. Mark the page dirty, > re-enable writes, and retry the instruction without emulation. > > Assert the fault is not from a stage1 page table walk. > > Signed-off-by: Richard Henderson > Signed-off-by: Philippe Mathieu-Daudé > --- > target/arm/hvf/hvf.c | 52 ++++++++++++++++++++++++++++++++++++-------- > 1 file changed, 43 insertions(+), 9 deletions(-) Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé