linux-kernel - Re: What if a TLB flush needed to sleep?

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Message-Id: <1206698371.8514.608.camel@twins>
Date:	Fri, 28 Mar 2008 10:59:31 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"Luck, Tony" <tony.luck@...el.com>, linux-arch@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: What if a TLB flush needed to sleep?

On Thu, 2008-03-27 at 11:44 -0700, Christoph Lameter wrote:
> On Thu, 27 Mar 2008, Peter Zijlstra wrote:
> 
> > confusion between semaphores and rwsems
> 
> rwsem is not a semaphore despite its name? What do you want to call it 
> then?

Its not a real counting semaphore, a sleeping rw lock might be a better
name as opposed to the contradition rw-mutex :-)

But lets just call it a rwsem; we all know what that is.


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