linux-kernel - Re: [PATCH 17/20] sparc/sysfs: Convert to hotplug state machine

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Message-Id: <20161117.133912.2297219337116639987.davem@davemloft.net>
Date:   Thu, 17 Nov 2016 13:39:12 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     bigeasy@...utronix.de
Cc:     linux-kernel@...r.kernel.org, rt@...uxtronix.de,
        sparclinux@...r.kernel.org
Subject: Re: [PATCH 17/20] sparc/sysfs: Convert to hotplug state machine

From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Date: Thu, 17 Nov 2016 19:35:38 +0100

> Install the callbacks via the state machine and let the core invoke
> the callbacks on the already online CPUs.
> 
> The previous convention of keeping the files around until the CPU is dead
> has not been preserved as there is no point to keep them available when the
> cpu is going down. This makes the hotplug call symmetric.
> 
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: sparclinux@...r.kernel.org
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

Acked-by: David S. Miller <davem@...emloft.net>