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Date: Tue, 03 Mar 2015 14:53:36 +0100
From: Nicolas Schichan <nschichan@...ebox.fr>
To: Eric Dumazet <eric.dumazet@...il.com>
CC: "David S. Miller" <davem@...emloft.net>,
Tobias Klauser <tklauser@...tanz.ch>,
Felipe Balbi <balbi@...com>,
Wilfried Klaebe <w-lkml@...enslange-mailadresse.de>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Alexander Duyck <alexander.h.duyck@...hat.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bcm63xx_enet: fix poll callback.
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).
bcm63xx ARM SoCs look like they can support SMP though.
Regards,
--
Nicolas Schichan
Freebox SAS
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