linux-kernel - [PATCH 00/10] timers/cpuidle: Fixes and cleanups

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Date:   Fri, 11 Aug 2023 19:00:39 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Frederic Weisbecker <frederic@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Anna-Maria Behnsen <anna-maria@...utronix.de>
Subject: [PATCH 00/10] timers/cpuidle: Fixes and cleanups

Hi,

The first part of the series is cpuidle callback fixes against timers,
some of which haven't been Signed by Peter yet.

Another part is removing the overhead of useless TIF_NR_POLLING clearing.

The rest is comments.

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	timers/idle

HEAD: b66dd12bb29cca558b9323f2b270a7dae8f56c48

Thanks,
	Frederic
---

Frederic Weisbecker (8):
      x86: Add a comment about the "magic" behind shadow sti before mwait
      cpuidle: Report illegal tick stopped while polling
      cpuidle: Comment about timers requirements VS idle handler
      cpuidle: Remove unnecessary current_clr_polling_and_test() from haltpoll
      cpuidle: Remove unnecessary current_clr_polling() on poll_idle()
      x86: Remove __current_clr_polling() from mwait_idle()
      x86: Remove the current_clr_polling() call upon mwait exit
      sched/timers: Explain why idle task schedules out on remote timer enqueue

Peter Zijlstra (2):
      cpuidle: Fix CPUIDLE_FLAG_IRQ_ENABLE leaking timer reprogram
      loongson: Fix idle VS timer enqueue


 arch/loongarch/kernel/genex.S      | 32 ++++++++++++++++++--------------
 arch/loongarch/kernel/idle.c       |  1 -
 arch/x86/include/asm/mwait.h       | 21 ++++++++++++++++++---
 arch/x86/kernel/process.c          |  1 -
 drivers/acpi/acpi_pad.c            |  1 +
 drivers/cpuidle/cpuidle-haltpoll.c |  5 +----
 drivers/cpuidle/poll_state.c       | 10 ++++++++--
 drivers/idle/intel_idle.c          | 19 +++++++------------
 kernel/sched/core.c                | 22 ++++++++++++++++++++++
 kernel/sched/idle.c                | 30 ++++++++++++++++++++++++++++++
 10 files changed, 105 insertions(+), 37 deletions(-)