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From: Andrew Morton <akpm@linux-foundation.org>
To: Nathan Zimmer <nzimmer@sgi.com>
Cc: <viro@zeniv.linux.org.uk>, <eric.dumazet@gmail.com>,
	<linux-kernel@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [PATCH v3 resend] procfs: Improve Scaling in proc
Date: Fri, 15 Feb 2013 15:44:47 -0800	[thread overview]
Message-ID: <20130215154447.afd1e259.akpm@linux-foundation.org> (raw)
In-Reply-To: <511EC73A.4050008@sgi.com>

On Fri, 15 Feb 2013 17:39:38 -0600
Nathan Zimmer <nzimmer@sgi.com> wrote:

> > So are all these games with local variable `llseek' still needed?
> > afaict the increment of pde_users will stabilize ->fops?
> We still are setting de->proc_fops to NULL to prevent new callers.
> Also we still have to save fops-> since we cannot use fops outside the 
> rcu_read_un/lock.
> Unless I misunderstood your question.

ah, so we are.

  reply	other threads:[~2013-02-15 23:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-15 20:47 [PATCH v3 resend] procfs: Improve Scaling in proc Nathan Zimmer
2013-02-15 22:12 ` Andrew Morton
2013-02-15 23:39   ` Nathan Zimmer
2013-02-15 23:44     ` Andrew Morton [this message]
2013-03-04 20:16 ` Stephen Warren
2013-03-04 21:00   ` Nathan Zimmer
2013-03-04 22:00     ` Stephen Warren
     [not found] <fa.Y6PHWInLhuIydVYAcT5/eAuyF3Y@ifi.uio.no>
2013-02-22  7:06 ` Zheng Huai Cheng

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