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Date:   Fri, 4 Feb 2022 10:24:25 +0100
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Valentin Schneider <valentin.schneider@arm.com>
Cc:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        rcu@vger.kernel.org, linux-rt-users@vger.kernel.org,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Steven Rostedt <rostedt@goodmis.org>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Frederic Weisbecker <frederic@kernel.org>,
        Josh Triplett <josh@joshtriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Davidlohr Bueso <dave@stgolabs.net>,
        Lai Jiangshan <jiangshanlai@gmail.com>,
        Joel Fernandes <joel@joelfernandes.org>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
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        Steven Price <steven.price@arm.com>,
        Ard Biesheuvel <ardb@kernel.org>,
        Boqun Feng <boqun.feng@gmail.com>,
        Mike Galbraith <efault@gmx.de>
Subject: Re: [PATCH v3 2/4] sched: Introduce migratable()
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On 2022-01-27 19:27:56 [+0000], Valentin Schneider wrote:

Sorry, got distracted.

> While I'm at it, I see you're still carrying
> 
>   6ab5bb09040d arm64/sve: Make kernel FPU protection RT friendly
> 
> If you're OK with it, I'll repost that:
> https://lore.kernel.org/lkml/20210722175157.1367122-1-valentin.schneider@arm.com/

I'm not too keen about preempt_enable_bh(). I would prefer the current
approach maybe with a comment why BH here and preemption there is
correct.
 
Sebastian