linux-kernel - Re: [Bugme-new] [Bug 10326] New: inconsistent lock state in net_rx

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Message-ID: <20080327090830.GB2778@ami.dom.local>
Date:	Thu, 27 Mar 2008 10:08:30 +0100
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	netdev@...r.kernel.org, bugme-daemon@...zilla.kernel.org,
	marcus@...ter.se,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Bugme-new] [Bug 10326] New: inconsistent lock state in
	net_rx_action

On Thu, Mar 27, 2008 at 09:55:42AM +0100, Jarek Poplawski wrote:
...
> sky2_poll() doesn't take napi->poll_lock; this lock is taken by
> netpoll_poll() before calling sky2_poll(). And before this hardirqs
> are disabled in write_msg().

Actually, hardirqs are disabled again before netpoll_poll() (in
netpoll_send_skb()), so sky2_poll() should need enable_irqs 2x
to justify such a warning.

Jarek P.
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