[0/6] timers/nohz: Fixes and cleanups

Message ID 20230210140917.279062-1-frederic@kernel.org
Headers
Series timers/nohz: Fixes and cleanups |

Message

Frederic Weisbecker Feb. 10, 2023, 2:09 p.m. UTC
  Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/

Frederic Weisbecker (6):
  timers/nohz: Restructure and reshuffle struct tick_sched
  timers/nohz: Only ever update sleeptime from idle exit
  timers/nohz: Protect idle/iowait sleep time under seqcount
  timers/nohz: Add a comment about broken iowait counter update race
  timers/nohz: Remove middle-function __tick_nohz_idle_stop_tick()
  MAINTAINERS: Remove stale email address

 MAINTAINERS              |   2 +-
 kernel/time/tick-sched.c | 146 ++++++++++++++++++---------------------
 kernel/time/tick-sched.h |  67 +++++++++++-------
 3 files changed, 112 insertions(+), 103 deletions(-)
  

Comments

Peter Zijlstra Feb. 10, 2023, 2:41 p.m. UTC | #1
On Fri, Feb 10, 2023 at 03:09:11PM +0100, Frederic Weisbecker wrote:
> Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/
> 
> Frederic Weisbecker (6):
>   timers/nohz: Restructure and reshuffle struct tick_sched
>   timers/nohz: Only ever update sleeptime from idle exit
>   timers/nohz: Protect idle/iowait sleep time under seqcount
>   timers/nohz: Add a comment about broken iowait counter update race
>   timers/nohz: Remove middle-function __tick_nohz_idle_stop_tick()
>   MAINTAINERS: Remove stale email address

Seem sensible enough.

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
  
Thomas Gleixner Feb. 13, 2023, 6:36 p.m. UTC | #2
On Fri, Feb 10 2023 at 15:09, Frederic Weisbecker wrote:
> Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/

Looks about right. Can you please remove that assert in the selftest
which started all this?

Thanks,

        tglx