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Message-ID: <Pine.LNX.4.64N.0710181231350.4701@blysk.ds.pg.gda.pl>
Date: Thu, 18 Oct 2007 12:37:33 +0100 (BST)
From: "Maciej W. Rozycki" <macro@...ux-mips.org>
To: Jarek Poplawski <jarkao2@...pl>
cc: Andy Fleming <afleming@...escale.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jeff Garzik <jgarzik@...ox.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PHYLIB: IRQ event workqueue handling fixes
On Thu, 18 Oct 2007, Jarek Poplawski wrote:
> After rethinking, it looks like this last cancel should be useless.
> So, if phy_interrupt() schedules only if !PHY_HALTED and phy_change()
> does enable_irq() with no exeptions, it seems phy_interrupt() even
> without lock must see PHY_HALTED state before this free_irq() with
> possible DEBUG_SHIRQ call, then maybe only this safety:
>
> WARN_ON(work_pending(&phydev->phy_queue));
Good point.
Maciej
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