linux-kernel - [GIT PULL] timer fixes

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Date: Sun, 14 Apr 2024 10:42:01 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>
Subject: [GIT PULL] timer fixes

Linus,

Please pull the latest timers/urgent Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-2024-04-14

   # HEAD: 16767502aa990cca2cb7d1372b31d328c4c85b40 selftests: kselftest: Fix build failure with NOLIBC

Misc timer fixes:

 - Address a (valid) W=1 build warning

 - Fix timer self-tests

 - Annotate a KCSAN warning wrt. accesses to the
   tick_do_timer_cpu global variable.

 - Address a !CONFIG_BUG build warning

Heads up for the !CONFIG_BUG warning patch, which we
addressed with:

   5284984a4fba bug: Fix no-return-statement warning with !CONFIG_BUG

Not everyone agreed though, see:

  https://lore.kernel.org/all/20240410153212.127477-1-adrian.hunter@intel.com

Thanks,

	Ingo

------------------>
Adrian Hunter (1):
      bug: Fix no-return-statement warning with !CONFIG_BUG

Arnd Bergmann (1):
      irqflags: Explicitly ignore lockdep_hrtimer_exit() argument

John Stultz (3):
      selftests: timers: Fix valid-adjtimex signed left-shift undefined behavior
      selftests: timers: Fix posix_timers ksft_print_msg() warning
      selftests: timers: Fix abs() warning in posix_timers test

Nathan Chancellor (1):
      selftests: kselftest: Mark functions that unconditionally call exit() as __noreturn

Oleg Nesterov (2):
      selftests/timers/posix_timers: Reimplement check_timer_distribution()
      selftests: kselftest: Fix build failure with NOLIBC

Thomas Gleixner (1):
      timekeeping: Use READ/WRITE_ONCE() for tick_do_timer_cpu


 include/asm-generic/bug.h                       |   5 +-
 include/linux/irqflags.h                        |   2 +-
 kernel/time/tick-common.c                       |  17 ++--
 kernel/time/tick-sched.c                        |  36 ++++----
 tools/testing/selftests/kselftest.h             |  33 ++++++--
 tools/testing/selftests/timers/posix_timers.c   | 105 +++++++++++-------------
 tools/testing/selftests/timers/valid-adjtimex.c |  73 ++++++++--------
 7 files changed, 147 insertions(+), 124 deletions(-)