linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Tudor Ambarus <tudor.ambarus@linaro.org>
To: Eugen Hristev <eugen.hristev@linaro.org>,
	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
Subject: Re: [RFC][PATCH v3 15/16] kmemdump: Add Kinfo backend driver
Date: Mon, 22 Sep 2025 11:01:51 +0100	[thread overview]
Message-ID: <c0a0daf4-e9e3-4152-8e5e-c7b52a30dae9@linaro.org> (raw)
In-Reply-To: <20250912150855.2901211-16-eugen.hristev@linaro.org>

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 <eugen.hristev@linaro.org>
> ---
>  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 <tudor.ambarus@linaro.org>

Thanks!


  parent reply	other threads:[~2025-09-22 10:01 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-12 15:08 [RFC][PATCH v3 00/16] Introduce kmemdump Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 01/16] kmemdump: " Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 02/16] Documentation: Add kmemdump Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 03/16] kmemdump: Add coreimage ELF layer Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 04/16] Documentation: kmemdump: Add section for coreimage ELF Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 05/16] kernel/vmcore_info: Register dynamic information into Kmemdump Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 06/16] kmemdump: Introduce qcom-minidump backend driver Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 07/16] soc: qcom: smem: Add minidump device Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 08/16] init/version: Add banner_len to save banner length Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 09/16] genirq/irqdesc: Have nr_irqs as non-static Eugen Hristev
2025-09-16 21:10   ` Thomas Gleixner
2025-09-16 21:16     ` Thomas Gleixner
2025-09-17  5:43       ` Eugen Hristev
2025-09-17  7:16         ` David Hildenbrand
2025-09-17 14:10           ` Thomas Gleixner
2025-09-17 14:26             ` Eugen Hristev
2025-09-17 14:46             ` David Hildenbrand
2025-09-17 15:02               ` Eugen Hristev
2025-09-17 15:18                 ` David Hildenbrand
2025-09-17 15:32                   ` Eugen Hristev
2025-09-17 15:44                     ` David Hildenbrand
2025-09-17 18:42                   ` Thomas Gleixner
2025-09-17 19:03                     ` David Hildenbrand
2025-09-18  8:23                       ` Thomas Gleixner
2025-09-18 13:53                         ` Eugen Hristev
2025-09-18 18:43                           ` Randy Dunlap
2025-09-25 20:11                           ` David Hildenbrand
2025-09-12 15:08 ` [RFC][PATCH v3 10/16] panic: Have tainted_mask " Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 11/16] mm/swapfile: Have nr_swapfiles " Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 12/16] printk: Register information into Kmemdump Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 13/16] sched: Add sched_get_runqueues_area Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 14/16] kernel/vmcoreinfo: Register kmemdump core image information Eugen Hristev
2025-09-12 15:08 ` [RFC][PATCH v3 15/16] kmemdump: Add Kinfo backend driver Eugen Hristev
2025-09-16  5:48   ` Alexey Klimov
2025-09-22 10:01   ` Tudor Ambarus [this message]
2025-09-12 15:08 ` [RFC][PATCH v3 16/16] dt-bindings: Add Google Kinfo Eugen Hristev
2025-09-14 11:56   ` Krzysztof Kozlowski
2025-09-12 15:56 ` [RFC][PATCH v3 00/16] Introduce kmemdump David Hildenbrand
2025-09-12 18:35   ` Eugen Hristev
2025-09-16  7:49 ` Mukesh Ojha
2025-09-16 15:25   ` Luck, Tony
2025-09-16 15:27     ` Eugen Hristev

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=c0a0daf4-e9e3-4152-8e5e-c7b52a30dae9@linaro.org \
    --to=tudor.ambarus@linaro.org \
    --cc=andersson@kernel.org \
    --cc=corbet@lwn.net \
    --cc=david@redhat.com \
    --cc=devicetree@vger.kernel.org \
    --cc=eugen.hristev@linaro.org \
    --cc=jonechou@google.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-hardening@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mhocko@suse.com \
    --cc=mukesh.ojha@oss.qualcomm.com \
    --cc=pmladek@suse.com \
    --cc=rdunlap@infradead.org \
    --cc=rostedt@goodmis.org \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).