linux-kernel - Re: [PATCH] llist: Fix missing lockless

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Date:	Sat, 7 Feb 2015 22:30:44 +0000 (UTC)
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Greg KH <gregkh@...uxfoundation.org>, linux-alpha@...r.kernel.org,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Matt Turner <mattst88@...il.com>
Cc:	Huang Ying <ying.huang@...el.com>, linux-kernel@...r.kernel.org,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	David Howells <dhowells@...hat.com>,
	Pranith Kumar <bobby.prani@...il.com>, stable@...r.kernel.org
Subject: Re: [PATCH] llist: Fix missing lockless_dereference()

----- Original Message -----
> From: "Greg KH" <gregkh@...uxfoundation.org>
> To: "Mathieu Desnoyers" <mathieu.desnoyers@...icios.com>
> Cc: "Huang Ying" <ying.huang@...el.com>, linux-kernel@...r.kernel.org, "Paul McKenney" <paulmck@...ux.vnet.ibm.com>,
> "David Howells" <dhowells@...hat.com>, "Pranith Kumar" <bobby.prani@...il.com>, stable@...r.kernel.org
> Sent: Saturday, February 7, 2015 5:16:25 PM
> Subject: Re: [PATCH] llist: Fix missing lockless_dereference()
> 
> On Fri, Feb 06, 2015 at 09:08:21PM -0500, Mathieu Desnoyers wrote:
> > A lockless_dereference() appears to be missing in llist_del_first().
> > It should only matter for Alpha in practice.
> 
> Meta-comment, do we really care about Alpha anymore?  Is it still
> consered an "active" arch we support?  I haven't seen a single
> alpha-related stable patch in _years_ if at all, which implies to me
> that no one is even using it.
> 
> Not that stable patches for architectures are a valid reference for how
> much they are used, but it does give me a good indication of what arches
> have users that actually care about a modern (i.e. within the past 5
> years) kernel.

Good question. Adding the Alpha maintainers to the CC.

Thanks,

Mathieu

> 
> thanks,
> 
> greg k-h
> 

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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