linux-kernel - Re: [PATCH v3 net-next 3/4] net: change sysctl_net_ll

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Message-ID: <51B9E6E0.8040208@linux.intel.com>
Date:	Thu, 13 Jun 2013 18:36:00 +0300
From:	Eliezer Tamir <eliezer.tamir@...ux.intel.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Don Skidmore <donald.c.skidmore@...el.com>,
	e1000-devel@...ts.sourceforge.net,
	Willem de Bruijn <willemb@...gle.com>,
	Ben Hutchings <bhutchings@...arflare.com>,
	Andi Kleen <andi@...stfloor.org>, HPA <hpa@...or.com>,
	Eilon Greenstien <eilong@...adcom.com>,
	Or Gerlitz <or.gerlitz@...il.com>,
	Amir Vadai <amirv@...lanox.com>,
	Alex Rosenbaum <alexr@...lanox.com>,
	Avner Ben Hanoch <avnerb@...lanox.com>,
	Or Kehati <ork@...lanox.com>, sockperf-dev@...glegroups.com,
	Eliezer Tamir <eliezer@...ir.org.il>
Subject: Re: [PATCH v3 net-next 3/4] net: change sysctl_net_ll_poll into an
 unsigned int

On 13/06/2013 18:31, Eric Dumazet wrote:
> On Thu, 2013-06-13 at 17:46 +0300, Eliezer Tamir wrote:
>> +extern unsigned int sysctl_net_ll_poll __read_mostly;
>>
>
> Oh well, you re-introduce the overflow
>
> hint : you defined
>
> #define USECS_TO_NS(us) (us << 10)

ouch!
(thanks)
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