linux-kernel - Re: [PATCH] dca: redesign locks

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Message-ID: <9929d2390902022158v47bdc745h7267c9c6ad6020e7@mail.gmail.com>
Date:	Mon, 2 Feb 2009 21:58:01 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Maciej Sosnowski <maciej.sosnowski@...el.com>
Cc:	dan.j.williams@...el.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] dca: redesign locks

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>

-- 
Cheers,
Jeff
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