linux-kernel - Re: [PATCH] percpu_counter: percpu_counter_hotcpu

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Message-ID: <20170120150909.GB6164@mtj.duckdns.org>
Date:   Fri, 20 Jan 2017 10:09:09 -0500
From:   Tejun Heo <tj@...nel.org>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] percpu_counter: percpu_counter_hotcpu_callback() cleanup

On Fri, Jan 20, 2017 at 06:34:22AM -0800, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> In commit ebd8fef304f9 ("percpu_counter: make percpu_counters_lock
> irq-safe") we disabled irqs in percpu_counter_hotcpu_callback()
> 
> We can grab every counter spinlock without having to disable
> irqs again.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Tejun Heo <tj@...nel.org>

Applied to percpu/for-4.11.

Thanks.

-- 
tejun