From: Kent Overstreet <kmo@daterainc.com>
To: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2 percpu/for-3.20] percpu_ref: implement percpu_ref_is_dying()
Date: Tue, 6 Jan 2015 18:21:55 -0800 [thread overview]
Message-ID: <20150107022155.GD2433@kmo-pixel> (raw)
In-Reply-To: <20150106152459.GE3077@htj.dyndns.org>
On Tue, Jan 06, 2015 at 10:24:59AM -0500, Tejun Heo wrote:
> Implement percpu_ref_is_dying() which tests whether the ref is dying
> or dead. This is useful to determine the current state when a
> percpu_ref is used as a cyclic on/off switch via kill and reinit.
Acked-by: Kent Overstreet <kmo@daterainc.com>
next prev parent reply other threads:[~2015-01-07 2:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-06 15:23 [PATCH 1/2 percpu/for-3.20] percpu_ref: remove unnecessary ACCESS_ONCE() in percpu_ref_tryget_live() Tejun Heo
2015-01-06 15:24 ` [PATCH 2/2 percpu/for-3.20] percpu_ref: implement percpu_ref_is_dying() Tejun Heo
2015-01-07 2:21 ` Kent Overstreet [this message]
2015-01-07 2:21 ` [PATCH 1/2 percpu/for-3.20] percpu_ref: remove unnecessary ACCESS_ONCE() in percpu_ref_tryget_live() Kent Overstreet
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