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Message-ID: <465c71e018de9800ba22a84b9c16f56f99aabefd.camel@kernel.org>
Subject: Re: [PATCH 15/19] rcu/context-tracking: Remove unused and/or
 unecessary middle functions
From:   nicolas saenz julienne <nsaenz@kernel.org>
To:     Frederic Weisbecker <frederic@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Phil Auld <pauld@redhat.com>,
        Alex Belits <abelits@marvell.com>,
        Xiongfeng Wang <wangxiongfeng2@huawei.com>,
        Neeraj Upadhyay <quic_neeraju@quicinc.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Yu Liao <liaoyu15@huawei.com>,
        Boqun Feng <boqun.feng@gmail.com>,
        "Paul E . McKenney" <paulmck@kernel.org>,
        Marcelo Tosatti <mtosatti@redhat.com>,
        Paul Gortmaker <paul.gortmaker@windriver.com>,
        Uladzislau Rezki <uladzislau.rezki@sony.com>,
        Joel Fernandes <joel@joelfernandes.org>
Date:   Wed, 09 Mar 2022 17:40:15 +0100
In-Reply-To: <20220302154810.42308-16-frederic@kernel.org>
References: <20220302154810.42308-1-frederic@kernel.org>
         <20220302154810.42308-16-frederic@kernel.org>
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On Wed, 2022-03-02 at 16:48 +0100, Frederic Weisbecker wrote:
> Some eqs functions are now only used internally by context tracking, so
> their public declarations can be removed.
> 
> Also middle functions such as rcu_user_*() and rcu_idle_*()
> which now directly call to rcu_eqs_enter() and rcu_eqs_exit() can be
> wiped out as well.
> 
> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
> Cc: Paul E. McKenney <paulmck@kernel.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
> Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
> Cc: Joel Fernandes <joel@joelfernandes.org>
> Cc: Boqun Feng <boqun.feng@gmail.com>
> Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
> Cc: Marcelo Tosatti <mtosatti@redhat.com>
> Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>
> Cc: Yu Liao<liaoyu15@huawei.com>
> Cc: Phil Auld <pauld@redhat.com>
> Cc: Paul Gortmaker<paul.gortmaker@windriver.com>
> Cc: Alex Belits <abelits@marvell.com>
> ---

You missed rcu_user_{enter,exit} declarations in rcupdate.h

There are also comments refering to them in kernel/context_tracking.c and
Documentation/RCU/stallwarn.rst.

Regards,
Nicolas