Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 18 Aug 2022 10:20:57 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc:     linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Steven Rostedt <rostedt@goodmis.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH 0/9] Replace PREEMPT_RT ifdefs with
 preempt_[dis|en]able_nested().
Message-ID: <Yv32aXMKwqmVMR1F@worktop.programming.kicks-ass.net>
References: <20220817162703.728679-1-bigeasy@linutronix.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220817162703.728679-1-bigeasy@linutronix.de>
Precedence: bulk

On Wed, Aug 17, 2022 at 06:26:54PM +0200, Sebastian Andrzej Siewior wrote:
> Folks,
> 
> this is the follow up to the "vfs.git pile 3 - dcache" pull request [0].
> It was concluded that the introduction of
> 	preempt_disable_nested()
> 
> in general makes sense and should be used in places where preemption on
> !RT is disabled by other means and PREEMPT_RT need to explicitly disable
> it.
> 
> This series introduces the macro and converts already existing users to
> that macro. The u64_stat interface was simplified to make the change
> simpler and code easier to follow.
> 
> [0] https://lore.kernel.org/all/YurA3aSb4GRr4wlW@ZenIV/

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>