Re: [PATCH 1/3] net: mv643xx_eth: update statistics timer fromtimer context only
From: Jason Cooper
Date: Wed Oct 02 2013 - 08:17:14 EST
On Wed, Oct 02, 2013 at 12:57:20PM +0200, Sebastian Hesselbarth wrote:
> Each port driver installs a periodic timer to update port statistics
> by calling mib_counters_update. As mib_counters_update is also called
> from non-timer context, we should not reschedule the timer there but
> rather move it to timer-only context.
>
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
> ---
> Cc: David Miller <davem@xxxxxxxxxxxxx>
> Cc: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
> Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
> drivers/net/ethernet/marvell/mv643xx_eth.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
Acked-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
Introduced by:
4ff3495a mv643xx_eth: enforce frequent hardware statistics polling
which goes all the way back to v2.6.28
thx,
Jason.
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