linux-kernel - Re: [patch 1/1] Kconfig: Introduce CONFIG_PREEMPT

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Message-ID: <20190717230501.GA5727@uudg.org>
Date:   Wed, 17 Jul 2019 20:05:01 -0300
From:   "Luis Claudio R. Goncalves" <lclaudio@...g.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Linus Torvalds <torvalds@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sebastian Siewior <bigeasy@...utronix.de>,
        Paul McKenney <paulmck@...ux.vnet.ibm.com>,
        Christoph Hellwig <hch@....de>, Tejun Heo <tj@...nel.org>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Daniel Wagner <wagi@...om.org>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Clark Williams <clark.williams@...il.com>,
        Julia Cartwright <julia@...com>,
        Marc Zyngier <marc.zyngier@....com>,
        Frederic Weisbecker <frederic@...nel.org>
Subject: Re: [patch 1/1] Kconfig: Introduce CONFIG_PREEMPT_RT

On Mon, Jul 15, 2019 at 05:04:03PM +0200, Thomas Gleixner wrote:
> Add a new entry to the preemption menu which enables the real-time support
> for the kernel. The choice is only enabled when an architecture supports
> it.
> 
> It selects PREEMPT as the RT features depend on it. To achieve that the
> existing PREEMPT choice is renamed to PREEMPT_LL which select PREEMPT as
> well.
> 
> No functional change.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---

Glad to see this important step being taken!

Acked-by: Luis Claudio R. Goncalves <lgoncalv@...hat.com>