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Mon, 22 Sep 2025 03:01:54 -0700 (PDT) Message-ID: Date: Mon, 22 Sep 2025 11:01:51 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC][PATCH v3 15/16] kmemdump: Add Kinfo backend driver To: Eugen Hristev , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com, rdunlap@infradead.org, corbet@lwn.net, david@redhat.com, mhocko@suse.com Cc: mukesh.ojha@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, jonechou@google.com, rostedt@goodmis.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org References: <20250912150855.2901211-1-eugen.hristev@linaro.org> <20250912150855.2901211-16-eugen.hristev@linaro.org> Content-Language: en-US From: Tudor Ambarus In-Reply-To: <20250912150855.2901211-16-eugen.hristev@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 9/12/25 4:08 PM, Eugen Hristev wrote: > Add Kinfo backend driver. > This backend driver will select only regions of interest for the firmware, > and it copy those into a shared memory area that is supplied via OF. > The firmware is only interested in addresses for some symbols. > The list format is kinfo-compatible, with devices like Google Pixel phone. > > Signed-off-by: Eugen Hristev > --- > MAINTAINERS | 5 + > mm/kmemdump/Kconfig.debug | 13 ++ > mm/kmemdump/Makefile | 1 + > mm/kmemdump/kinfo.c | 293 ++++++++++++++++++++++++++++++++++++++ > 4 files changed, 312 insertions(+) > create mode 100644 mm/kmemdump/kinfo.c I tested the series on pixel 6 and I could see the backtraces correctly decoded by the bootloader: Tested-by: Tudor Ambarus Thanks!