netdev - Re: [PATCH] dca: redesign locks

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Date:	Mon, 02 Feb 2009 23:27:04 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	maciej.sosnowski@...el.com, dan.j.williams@...el.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] dca: redesign locks

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Mon, 2 Feb 2009 21:58:01 -0800

> On Mon, Feb 2, 2009 at 9:14 AM, Maciej Sosnowski
> <maciej.sosnowski@...el.com> wrote:
> > Change spin_locks to irqsave to prevent dead-locks.
> > Protect adding and deleting to/from dca_providers list.
> > Drop the lock during dca_sysfs_add_req() and dca_sysfs_remove_req() calls
> > as they might sleep (use GFP_KERNEL allocation).
> >
> > Signed-off-by: Maciej Sosnowski <maciej.sosnowski@...el.com>
> > ---
> >
> >  drivers/dca/dca-core.c |   51 +++++++++++++++++++++++++++++++-----------------
> >  1 files changed, 33 insertions(+), 18 deletions(-)
> >
> 
> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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