netdev - RE: [next:akpm 16/587] drivers/net/ethernet/intel/igb/igb_main.c:6231:2: error: call to '__compiletime_assert_6235' declared with attribute error: BUILD_BUG_ON failed: SKB_WITH_OVERHEAD(IGB_RX_BUFSZ) < (NET_SKB_PAD + NET_IP_ALIGN + IGB_TS_HDR

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Date:	Tue, 19 Feb 2013 23:02:17 +0000
From:	"Wyborny, Carolyn" <carolyn.wyborny@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	"Wu, Fengguang" <fengguang.wu@...el.com>
CC:	Daniel Santos <daniel.santos@...ox.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [next:akpm 16/587]
 drivers/net/ethernet/intel/igb/igb_main.c:6231:2: error: call to
 '__compiletime_assert_6235' declared with attribute error: BUILD_BUG_ON
 failed: SKB_WITH_OVERHEAD(IGB_RX_BUFSZ) < (NET_SKB_PAD + NET_IP_ALIGN +
 IGB_TS_HDR_LEN + ETH...

> -----Original Message-----
> From: netdev-owner@...r.kernel.org [mailto:netdev-owner@...r.kernel.org]
> On Behalf Of Andrew Morton
> Sent: Tuesday, February 19, 2013 2:27 PM
> To: Wu, Fengguang
> Cc: Daniel Santos; Kirsher, Jeffrey T; Brandeburg, Jesse; Allan, Bruce W;
> netdev@...r.kernel.org
> Subject: Re: [next:akpm 16/587]
> drivers/net/ethernet/intel/igb/igb_main.c:6231:2: error: call to
> '__compiletime_assert_6235' declared with attribute error: BUILD_BUG_ON
> failed: SKB_WITH_OVERHEAD(IGB_RX_BUFSZ) < (NET_SKB_PAD +
> NET_IP_ALIGN + IGB_TS_HDR_LEN + ETH...
> 
[..]

> That BUILD_BUG_ON() triggers without Daniel's patches applied as well:
> 
[..]
> I doubt if anyone will be running this driver on s390, but I guess we should work
> out why it broke.
> 

Yes, we'll work on it.

Thanks,

Carolyn

Carolyn Wyborny 
Linux Development 
Networking Division 
Intel Corporation 


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