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Date:	Fri, 26 Dec 2008 01:35:44 -0800 (PST)
From:	David Miller <>
Subject: Re: [NET-NEXT PATCH 1/3] net: Init NAPI dev_list on napi_del

From: Jeff Kirsher <>
Date: Thu, 25 Dec 2008 01:02:04 -0800

> The recent GRO patches introduced the NAPI removal of devices in
> free_netdev.  For drivers that can change the number of queues during
> driver operation, the NAPI infrastructure doesn't allow the freeing and
> re-addition of NAPI entities without reloading the driver.
> This change reinitializes the dev_list in each NAPI struct on delete,
> instead of just deleting it (and assigning the list pointers to POISON).
> Drivers that wish to remove/re-add NAPI will need to re-initialize the
> netdev napi_list after removing all NAPI instances, before re-adding NAPI
> devices again.
> Signed-off-by: Peter P Waskiewicz Jr <>
> Signed-off-by: Jeff Kirsher <>

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