linux-kernel - [GIT PULL] printk for 6.18

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Message-ID: <aN5ZxYK9vUfxXyEv@pathway.suse.cz>
Date: Thu, 2 Oct 2025 12:53:57 +0200
From: Petr Mladek <pmladek@...e.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	John Ogness <john.ogness@...utronix.de>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Peter Zijlstra <peterz@...radead.org>,
	Petr Mladek <pmladek@...e.com>, linux-kernel@...r.kernel.org
Subject: [GIT PULL] printk for 6.18

Hi Linus,

please pull the latest printk changes from

  git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git tags/printk-for-6.18

=======================================

- Add KUnit test for the printk ring buffer.

- Fix the check of the maximal record size which is allowed to be stored
  into the printk ring buffer. It prevents corruptions of the ring buffer.

  Note that printk() is on the safe side. The messages are limited by 1kB
  buffer and are always small enough for the minimal log buffer size 4kB,
  see CONFIG_LOG_BUF_SHIFT definition.

----------------------------------------------------------------
Arnd Bergmann (1):
      printk: kunit: support offstack cpumask

John Ogness (1):
      printk: ringbuffer: Fix data block max size check

Petr Mladek (3):
      printk: ringbuffer: Explain why the KUnit test ignores failed writes
      printk: kunit: Fix __counted_by() in struct prbtest_rbdata
      Merge branch 'rework/ringbuffer-kunit-test' into for-linus

Thomas Weißschuh (1):
      printk: ringbuffer: Add KUnit test

 init/Kconfig                                 |  12 +
 kernel/printk/.kunitconfig                   |   3 +
 kernel/printk/Makefile                       |   2 +
 kernel/printk/printk_ringbuffer.c            |  48 ++--
 kernel/printk/printk_ringbuffer_kunit_test.c | 327 +++++++++++++++++++++++++++
 5 files changed, 378 insertions(+), 14 deletions(-)
 create mode 100644 kernel/printk/.kunitconfig
 create mode 100644 kernel/printk/printk_ringbuffer_kunit_test.c