From: Benjamin LaHaise <bcrl@kvack.org>
To: "David S. Miller" <davem@davemloft.net>
Cc: stern@rowland.harvard.edu, akpm@osdl.org, sekharan@us.ibm.com,
kaos@sgi.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/8] Notifier chain update
Date: Wed, 18 Jan 2006 17:18:11 -0500 [thread overview]
Message-ID: <20060118221811.GJ16285@kvack.org> (raw)
In-Reply-To: <20060118.141841.87446048.davem@davemloft.net>
On Wed, Jan 18, 2006 at 02:18:41PM -0800, David S. Miller wrote:
> If you need to block, take a mutex around the notifier calls.
> (I nearly typed semaphore there, sorry Ingo! :-)
I'm arguing against adding the mutex. We don't need things like munmap()
on every cpu doing a down_read() on system wide semaphore.
-ben
--
"You know, I've seen some crystals do some pretty trippy shit, man."
Don't Email: <dont@kvack.org>.
next prev parent reply other threads:[~2006-01-18 22:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-18 16:34 [PATCH 1/8] Notifier chain update Alan Stern
2006-01-18 18:19 ` Benjamin LaHaise
2006-01-18 20:23 ` Alan Stern
2006-01-18 21:42 ` Benjamin LaHaise
2006-01-18 21:57 ` Alan Stern
2006-01-18 22:00 ` David S. Miller
2006-01-18 22:04 ` Alan Stern
2006-01-18 23:06 ` Alan Cox
2006-01-19 3:33 ` Alan Stern
2006-01-18 22:01 ` Benjamin LaHaise
2006-01-18 22:09 ` Alan Stern
2006-01-18 22:15 ` Benjamin LaHaise
2006-01-19 10:01 ` Jes Sorensen
2006-01-18 22:18 ` David S. Miller
2006-01-18 22:18 ` Benjamin LaHaise [this message]
2006-01-18 23:07 ` Alan Cox
2006-01-19 9:55 ` Jes Sorensen
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