lkml.org 
[lkml]   [2010]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2.6.35-rc1] net-next: vmxnet3 fixes [3/5] Initialize link state at probe time

On Wed, 14 Jul 2010, David Miller wrote:

> From: Shreyas Bhatewara <sbhatewara@vmware.com>
> Date: Tue, 13 Jul 2010 17:48:55 -0700 (PDT)
>
> >
> > Initialize vmxnet3 link state at probe time
> >
> > This change initializes the state of link at the time when driver is
> > loaded. The ethtool output for 'link detected' and 'link speed'
> > is thus valid even before the interface is brought up.
> >
> > Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
>
> You should never, ever, call netif_start_queue() on a device which has
> not been brought up.
>
> But that is what this patch is doing.
>

I do not understand why you say so. vmxnet3_check_link() is called in
probe() with affectTxQueue as false. Hence netif_start_queue() will not be
called before device is brought up.
vmxnet3_check_link() is again called with affectTxQueue as true in
vmxnet3_activate_dev() after device was activated.


\
 
 \ /
  Last update: 2010-07-16 03:23    [from the cache]
©2003-2011 Jasper Spaans