linux-kernel - Re: [PATCH v2 0/2] rcu: Make rcu_normal_after

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Message-ID: <20210810184115.GJ4126399@paulmck-ThinkPad-P17-Gen-1>
Date:   Tue, 10 Aug 2021 11:41:15 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Juri Lelli <juri.lelli@...hat.com>
Cc:     josh@...htriplett.org, linux-kernel@...r.kernel.org,
        linux-rt-users@...r.kernel.org, peterz@...radead.org,
        bigeasy@...utronix.de, tglx@...utronix.de, rostedt@...dmis.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        joel@...lfernandes.org, rcu@...r.kernel.org
Subject: Re: [PATCH v2 0/2] rcu: Make rcu_normal_after_boot writable again

On Tue, Aug 10, 2021 at 10:48:14AM +0200, Juri Lelli wrote:
> Hi,
> 
> v2 of a proposed RCU change to make rcu_normal_after_boot feature usable
> on PREEMPT_RT as well, as it turns out it's useful on RT as well on
> NO_HZ_FULL configurations.
> 
> v2 gained an additional patch to revise rcu update module parameters
> permissions (as suggested during v1 review [1]).

Queued and pushed, thank you!

							Thanx, Paul

> Changes wrt v1:
> 
>  - Restrict the option to !PREEMPT_RT || NO_HZ_FULL (Paul, Sebastian)
>  - Change module params permissions (Paul) (02/02)
> 
> Thanks,
> Juri
> 
> v1 - https://lore.kernel.org/lkml/20210805080123.16320-1-juri.lelli@redhat.com/
> 
> Juri Lelli (2):
>   rcu: Make rcu_normal_after_boot writable again
>   rcu: Make rcu update module parameters world-readable
> 
>  kernel/rcu/tree_exp.h | 1 -
>  kernel/rcu/update.c   | 8 ++++----
>  2 files changed, 4 insertions(+), 5 deletions(-)
> 
> -- 
> 2.31.1
>