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[216.71.219.44]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-139d8f6d2e4sm46524677c88.7.2026.06.29.08.54.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Jun 2026 08:54:16 -0700 (PDT) Message-ID: Date: Mon, 29 Jun 2026 08:54:15 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] docs/system: rewrite gdb breakpoint and watchpoint explanation To: =?UTF-8?Q?Alex_Benn=C3=A9e?= , qemu-devel@nongnu.org Cc: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= References: <20260629105837.71103-1-alex.bennee@linaro.org> From: Pierrick Bouvier Content-Language: en-US In-Reply-To: <20260629105837.71103-1-alex.bennee@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI5MDEzMiBTYWx0ZWRfX3OY5DNC8sH3I OCX/r91zF6PhE74YMsdNrrcLqv2AnWRBgFynnTfn7LQJQCMCht7wDP7SyULybpuv1Bje2qtJIvb U2wy4TEs/b/57qQfuMk3QMuMI7un13U= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI5MDEzMiBTYWx0ZWRfX7SVqaF8EDc2p kEjWdHswaVddzVR1ECnSLjMHTic8L6NliKfH+PtMPZaKwfZ5sXFgn3biTeAw+dCiLsWO4/G1MA5 DeL2dFermHvwmMSB0BJTdz6kChg+P8yqDHIxEwGFbpu8G9cB0A3ksCcpYIgy0nqGTh3vAZ1L6kD Jtk+xvwxBYDhIQhhH/03imTDWR1z5zvlEO8YXxyqKjrgU3XbWmuerYDQudkmyRHdzFHOHFGjcPy qWlLp+G9KIXcM15FL6KA9e0gqSGuTg3aMcezvOaS/hoS0zXH+hWPw8gEm4oXg2iZ9Lk7Ql/2R5I jcVcRgxIDNtKiPASYXzDiAAzvFFaAyeiy4MGsrzuAEkcBUOwUjnKS5osRaMw1sEeuyf674bwho4 GuXZajD6J5kJ8+mclUCQ7+53JjYvWMfUuep82lxyojyZ9+U05sGzwKsqZI7mKb3h66T3sb0TZ93 M4pVw2C6qekTovlAW1g== X-Proofpoint-ORIG-GUID: cIi4J6Sd9EISUHx3SyW6HBGrKEncRLvR X-Authority-Analysis: v=2.4 cv=MZJcfZ/f c=1 sm=1 tr=0 ts=6a42952a cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=iLqgmErQAxjCjdq5jj1Aqg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=p0WdMEafAAAA:8 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=V9NsxrjiRnxkTc9L3doA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PxkB5W3o20Ba91AHUih5:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: cIi4J6Sd9EISUHx3SyW6HBGrKEncRLvR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-29_03,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 clxscore=1015 phishscore=0 bulkscore=0 impostorscore=0 spamscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606290132 Received-SPF: pass client-ip=205.220.168.131; envelope-from=pierrick.bouvier@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, 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: 2.1.29 Precedence: list List-Id: qemu development 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 6/29/2026 3:58 AM, Alex Bennée wrote: > There are a couple of gotchas we should point out: > > - software breakpoints can fail on early boot > - TCG treats all breakpoints as "hardware" breakpoints > > Rewrite the text to explain this more clearly and call out the gotchas > in a note and warning sections. > > Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/3596 > Signed-off-by: Alex Bennée > > --- > v2 > - made the soft breakpoint section a warning > - moved discussion about TCG's unlimited break and watchpoints to a > new note > --- > docs/system/gdb.rst | 37 ++++++++++++++++++++++++++++--------- > 1 file changed, 28 insertions(+), 9 deletions(-) > I'll let you pull this as part of gdbstub system. Reviewed-by: Pierrick Bouvier