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From: Xiongfeng Wang <wangxiongfeng2@huawei.com>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: "Paul E . McKenney" <paulmck@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"Phil Auld" <pauld@redhat.com>, Alex Belits <abelits@marvell.com>,
	"Nicolas Saenz Julienne" <nsaenz@kernel.org>,
	Marco Elver <elver@google.com>,
	Neeraj Upadhyay <quic_neeraju@quicinc.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Nicolas Saenz Julienne" <nsaenzju@redhat.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	"Yu Liao" <liaoyu15@huawei.com>,
	Boqun Feng <boqun.feng@gmail.com>,
	"Marcelo Tosatti" <mtosatti@redhat.com>,
	kernel test robot <lkp@intel.com>,
	"Paul Gortmaker" <paul.gortmaker@windriver.com>,
	Uladzislau Rezki <uladzislau.rezki@sony.com>,
	Joel Fernandes <joel@joelfernandes.org>
Subject: Re: [PATCH 00/20] rcu/context-tracking: Merge RCU eqs-dynticks counter to context tracking v5
Date: Wed, 12 Oct 2022 09:08:17 +0800	[thread overview]
Message-ID: <38a2a38e-c04e-7820-b923-69211898ba56@huawei.com> (raw)
In-Reply-To: <20221011191203.GA1051279@lothringen>

Hi, Frederic

On 2022/10/12 3:12, Frederic Weisbecker wrote:
> On Tue, Oct 11, 2022 at 07:37:48PM +0800, Xiongfeng Wang wrote:
>> Hi, Frederic
>>
>> Thanks for push RCU dynticks counters to upstream. It is very useful. After it
>> is done, do we have plan to revive the sys-idle feature and use it to shutdown
>> the tick on the last housekeeping when the whole system is idle. I'm very glad
>> to help test it if you have some demo patches on your personal repo.
> 
> There is no plan yet but some other people seem to be interested. Would you
> like to try to revive it yourself? Otherwise I may do it someday but I 

Thanks for your reply ! I would like to give it a try. But I'm not sure if I can
make it because I'm not so familiar with the RCU subsystem.

Thanks,
Xiongfeng

> have quite some work to complete first (ie: making CPU isolation tunable through
> cpusets).
> 
> Thanks.
> .
> 

      reply	other threads:[~2022-10-12  1:08 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-28 13:15 [PATCH 00/20] rcu/context-tracking: Merge RCU eqs-dynticks counter to context tracking v5 Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 01/20] context_tracking: Remove unused context_tracking_in_user() Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 02/20] context_tracking: Add a note about noinstr VS unsafe context tracking functions Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 03/20] context_tracking: Rename __context_tracking_enter/exit() to __ct_user_enter/exit() Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 04/20] context_tracking: Rename context_tracking_user_enter/exit() to user_enter/exit_callable() Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 05/20] context_tracking: Rename context_tracking_enter/exit() to ct_user_enter/exit() Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 06/20] context_tracking: Rename context_tracking_cpu_set() to ct_cpu_track_user() Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 07/20] context_tracking: Split user tracking Kconfig Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 08/20] context_tracking: Take idle eqs entrypoints over RCU Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 09/20] context_tracking: Take IRQ " Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 10/20] context_tracking: Take NMI " Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 11/20] rcu/context-tracking: Remove rcu_irq_enter/exit() Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 12/20] rcu/context_tracking: Move dynticks counter to context tracking Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 13/20] rcu/context_tracking: Move dynticks_nesting " Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 14/20] rcu/context_tracking: Move dynticks_nmi_nesting " Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 15/20] rcu/context-tracking: Move deferred nocb resched " Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 16/20] rcu/context-tracking: Move RCU-dynticks internal functions to context_tracking Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 17/20] rcu/context-tracking: Remove unused and/or unecessary middle functions Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 18/20] context_tracking: Convert state to atomic_t Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 19/20] MAINTAINERS: Add Paul as context tracking maintainer Frederic Weisbecker
2022-06-28 13:16 ` [PATCH 20/20] context_tracking: Use arch_atomic_read() in __ct_state for KASAN Frederic Weisbecker
2022-06-30  0:10 ` [PATCH 00/20] rcu/context-tracking: Merge RCU eqs-dynticks counter to context tracking v5 Paul E. McKenney
2022-10-11 11:37 ` Xiongfeng Wang
2022-10-11 19:12   ` Frederic Weisbecker
2022-10-12  1:08     ` Xiongfeng Wang [this message]

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