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Tue, 28 Jan 2025 23:23:46 -0800 (PST) Date: Wed, 29 Jan 2025 07:23:45 +0000 In-Reply-To: <29b94227-8861-4011-b83f-2e0c59dd1f73@oracle.com> Mime-Version: 1.0 References: <29b94227-8861-4011-b83f-2e0c59dd1f73@oracle.com> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Message-ID: <20250129072345.3106495-1-wnliu@google.com> Subject: Re: [PATCH 0/8] unwind, arm64: add sframe unwinder for kernel From: Weinan Liu To: indu.bhagat@oracle.com Cc: irogers@google.com, joe.lawrence@redhat.com, jpoimboe@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-toolchains@vger.kernel.org, live-patching@vger.kernel.org, mark.rutland@arm.com, peterz@infradead.org, roman.gushchin@linux.dev, rostedt@goodmis.org, will@kernel.org, wnliu@google.com Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250128_232348_376775_B59CAF15 X-CRM114-Status: GOOD ( 10.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Not only does objdump show that func_start_addr all 0s, but the func_start_addr in the kernel module's sframe table is also incorrect. I'll prepare a repro so we can investigate this. > > I can share a fix for 32589 so atleast we can verify that the starting > point is sane. > Great! Thanks. This will be helpful for comparing the values from the sframe table with the values we obtain at runtime