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Wed, 21 Apr 2021 21:45:31 -0700 (PDT) Received: from [192.168.1.11] ([71.212.131.83]) by smtp.gmail.com with ESMTPSA id e7sm828010pjd.6.2021.04.21.21.45.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Apr 2021 21:45:31 -0700 (PDT) Subject: Re: [PATCH v5 3/3] ppc: Enable 2nd DAWR support on p10 To: David Gibson , Ravi Bangoria References: <20210412114433.129702-1-ravi.bangoria@linux.ibm.com> <20210412114433.129702-4-ravi.bangoria@linux.ibm.com> <8020c404-d8ce-2758-d936-fc5e851017f0@kaod.org> <0b6e1a4a-eed2-1a45-50bf-2ccab398f4ed@linux.ibm.com> From: Richard Henderson Message-ID: <01a7ea82-1d51-6d8d-5b47-43ef9df6b81e@linaro.org> Date: Wed, 21 Apr 2021 21:45:29 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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, NICE_REPLY_A=-0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mikey@neuling.org, kvm@vger.kernel.org, mst@redhat.com, mpe@ellerman.id.au, cohuck@redhat.com, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, =?UTF-8?Q?C=c3=a9dric_Le_Goater?= , pbonzini@redhat.com, paulus@samba.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/21/21 6:56 PM, David Gibson wrote: > I don't actually know if qemu has TCG watchpoint support on any > hardware. Presumably it would mean instrumenting all the tcg loads > and stores. We tag the soft tlb for pages that contain watchpoints. See include/hw/core/cpu.h: cpu_watchpoint_insert cpu_watchpoint_remove r~