Re: [PATCH] bcm63xx_enet: fix poll callback.
From: Florian Fainelli
Date: Tue Mar 03 2015 - 12:43:10 EST
On 03/03/15 05:53, Nicolas Schichan wrote:
> On 03/03/2015 02:42 PM, Eric Dumazet wrote:
>>> To avoid that, I would take priv->tx_lock only once, or add a limit on
>>> the number of skbs that can be drained per round.
>> Something like this (untested) patch
> I'm not against testing this patch, but we do not have any SMP capable bcm63xx
> board here so I don't think it will be of any use.
> bcm6358 and bcm6368 do indeed have two MIPS threads, but SMP is not possible
> (due to a data cache or TLB shared across all MIPS threads , unbearably
> complicating things, IIRC).
6358 does have the shared TLB (early BMIPS4350), but 6368 (later
BMIPS4350) runs just fine in a regular SMP configuration, that's the
default for OpenWrt actually. Maybe Jonas has something readily
available he could test on?
> bcm63xx ARM SoCs look like they can support SMP though.
These SoCs do not use this Ethernet controller at all.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/