netdev - Re: [patch 7/8] hci_usb: replace mb with smp

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Date:	Tue, 23 Sep 2008 06:54:18 +0200
From:	Marcel Holtmann <marcel@...tmann.org>
To:	David Miller <davem@...emloft.net>
Cc:	akpm@...ux-foundation.org, netdev@...r.kernel.org,
	tom.leiming@...il.com, hidave.darkstar@...il.com
Subject: Re: [patch 7/8] hci_usb: replace mb with smp_mb

Hi Dave,

> > smp_mb is enough for ordering memory operations among processors,and mb is
> > more expensive than smp_mb for UP machine, so replace it with smp_mb().
> > 
> > Signed-off-by: Ming Lei <tom.leiming@...il.com>
> > Acked-by: Marcel Holtmann <marcel@...tmann.org>
> > Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> 
> Since this already ACK'd by Marcel, I've added this to net-next-2.6

that is absolutely fine by me. The hci_usb driver is a dead end and we
do have multiple people now looking at and testing btusb. So expect the
hci_usb driver to go away soon. Either 2.6.28 or 2.6.29.

Regards

Marcel


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