Re: [PATCH net,1/2] hyperv: Fix a kernel warning fromnetvsc_linkstatus_callback()

[David Miller]

From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Date: Fri,  5 Apr 2013 14:44:39 -0700

> The warning about local_bh_enable inside IRQ happens when disconnecting a
> virtual NIC.
> 
> The reason for the warning is -- netif_tx_disable() is called when the NIC
> is disconnected. And it's called within irq context. netif_tx_disable() calls
> local_bh_enable() which displays warning if in irq.
> 
> The fix is to remove the unnecessary netif_tx_disable & wake_queue() in the
> netvsc_linkstatus_callback().
> 
> Reported-by: Richard Genoud <richard.genoud@xxxxxxxxx>
> Tested-by: Long Li <longli@xxxxxxxxxxxxx>
> Tested-by: Richard Genoud <richard.genoud@xxxxxxxxx>
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Reviewed-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>

Applied.
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