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Date: Wed, 27 Jun 2007 00:40:28 -0700 (PDT) From: David Miller <davem@...emloft.net> To: shemminger@...ux-foundation.org Cc: netdev@...r.kernel.org, akpm@...ux-foundation.org Subject: Re: [PATCH] netpoll: tx lock deadlock fix From: Stephen Hemminger <shemminger@...ux-foundation.org> Date: Tue, 29 May 2007 17:32:21 -0700 > If sky2 device poll routine is called from netpoll_send_skb, it > would deadlock. The netpoll_send_skb held the netif_tx_lock, and the > poll routine could acquire it to clean up skb's. Other drivers > might use same locking model. > > The driver is correct, netpoll should not introduce more locking problems > than it causes already. So change the code to drop lock before calling > poll handler. > > Signed-off-by: Stephen Hemminger <shemminger@...ux.foundation.org> Patch applied, thanks Stephen. Once I get this to Linus would you like me to toss it over to the -stable folks too? Thanks. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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