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From: "David S. Miller" <davem@davemloft.net>
To: stern@rowland.harvard.edu
Cc: bcrl@kvack.org, 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 14:18:41 -0800 (PST)	[thread overview]
Message-ID: <20060118.141841.87446048.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0601181706210.14089-100000@iolanthe.rowland.org>

From: Alan Stern <stern@rowland.harvard.edu>
Date: Wed, 18 Jan 2006 17:09:10 -0500 (EST)

> Do you have a better proposal for a way to prevent blocking notifier 
> chains from being modified while in use?  Or would you prefer to rewrite 
> all the callout routines that currently block, so that all the notifier 
> chains can be made atomic and we don't need the blocking notifier API?

I think if the user needs special locking, they should implement
it.

If you need to block, take a mutex around the notifier calls.
(I nearly typed semaphore there, sorry Ingo! :-)

  parent reply	other threads:[~2006-01-18 22:18 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 [this message]
2006-01-18 22:18               ` Benjamin LaHaise
2006-01-18 23:07       ` Alan Cox
2006-01-19  9:55       ` Jes Sorensen

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