linux-kernel - Re: [PATCH 06/19] context_tracking: Take idle eqs entrypoints over RCU

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Message-ID: <20220309211251.GC68899@lothringen>
Date:   Wed, 9 Mar 2022 22:12:51 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, Phil Auld <pauld@...hat.com>,
        Alex Belits <abelits@...vell.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Xiongfeng Wang <wangxiongfeng2@...wei.com>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Yu Liao <liaoyu15@...wei.com>,
        Boqun Feng <boqun.feng@...il.com>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Marcelo Tosatti <mtosatti@...hat.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Uladzislau Rezki <uladzislau.rezki@...y.com>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH 06/19] context_tracking: Take idle eqs entrypoints over
 RCU

On Sat, Mar 05, 2022 at 03:05:26PM +0100, Peter Zijlstra wrote:
> On Wed, Mar 02, 2022 at 04:47:57PM +0100, Frederic Weisbecker wrote:
> > The RCU dynticks counter is going to be merged into the context tracking
> > subsystem. Start with moving the idle extended quiescent states
> > entrypoints to RCU. For now those are dumb redirection to existing RCU
> > calls.
> 
> s/to/from/ right? You're taking them away from RCU and moving them to
> ct.

Right!