linux-kernel - [PATCH 0/7] posix-cpu-timers: Bunch of fixes v2

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Message-Id: <20210622234155.119685-1-frederic@kernel.org>
Date:   Wed, 23 Jun 2021 01:41:48 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Oleg Nesterov <oleg@...hat.com>, Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 0/7] posix-cpu-timers: Bunch of fixes v2

This series addresses reviews from Peter. I also updated with appopriate
tags:

_ Add Fixes and Stable tags on the 1st patch

_ Add Acks from Peter on two patches

_ Elaborate comment about base expiration reset on
	"posix-cpu-timers: Force next_expiration recalc after timer deletion"
  (per Peter)

_ Assert sighand is locked on thread_group_start_cputime()
  (per Peter)

_ Factorize fix for all cases where timer doesn't get queued on
  posix_cpu_timer_set() (per Peter)

_ More cleanups

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	timers/urgent-v2

HEAD: 9cc6f1cc0e96053d709dd05b64ba5796a5b13664

Thanks,
	Frederic
---

Frederic Weisbecker (7):
      posix-cpu-timers: Fix rearm racing against process tick
      posix-cpu-timers: Assert task sighand is locked while starting cputime counter
      posix-cpu-timers: Force next_expiration recalc after timer deletion
      posix-cpu-timers: Force next expiration recalc after itimer reset
      posix-cpu-timers: Remove confusing error code override
      posix-cpu-timers: Consolidate timer base accessor
      posix-cpu-timers: Recalc next expiration when timer_settime() ends up not queueing


 include/linux/posix-timers.h   |  11 ++++-
 include/linux/sched/signal.h   |   6 +++
 kernel/signal.c                |  13 ++++++
 kernel/time/posix-cpu-timers.c | 100 ++++++++++++++++++++++++++++++++---------
 4 files changed, 106 insertions(+), 24 deletions(-)