linux-kernel - Re: [PATCH 2/2] drivers/net: Fix synchronize

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Message-Id: <1208826282.2748.1.camel@obelisk.thedillows.org>
Date:	Mon, 21 Apr 2008 21:04:42 -0400
From:	David Dillow <dave@...dillows.org>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/2] drivers/net: Fix synchronize_irq() bugs,
	redundancies


On Mon, 2008-04-21 at 19:35 -0400, Jeff Garzik wrote:
> free_irq() calls synchronize_irq() for you, so there is no need for
> drivers to manually do the same thing (again).  Thus, calls where
> sync-irq immediately precedes free-irq can be simplified.

> diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
> index 333961b..7d2a4c6 100644
> --- a/drivers/net/typhoon.c
> +++ b/drivers/net/typhoon.c
[...]
>  	/* Make sure there is no irq handler running on a different CPU. */
> -	typhoon_synchronize_irq(dev->irq);
>  	free_irq(dev->irq, dev);

Should probably kill the comment as well, since it was referring to the
synchronize_irq() call.

Acked-by: Dave Dillow <dave@...dillows.org>

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