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Date:	Fri, 28 Sep 2012 17:29:22 +0530
From:	Vipul Pandya <vipul@...lsio.com>
To:	David Miller <davem@...emloft.net>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: You have to fix this



On 28-09-2012 04:04, David Miller wrote:
> 
> You cannot put such monster sized local data objects on the stack:
> 
> drivers/net/ethernet/chelsio/cxgb4/t4_hw.c: In function ‘t4_memory_rw.constprop.6’:
> drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:484:1: warning: the frame size of 2056 bytes is larger than 2048 bytes [-Wframe-larger-than=]
> 
> That's because of this thing:
> 
> 		__be32 data[MEMWIN0_APERTURE/sizeof(__be32)];
> 
> I'm really surprised this didn't show up in any of your test builds.
> Or are you ignoring warnings that your changes add?
> 

Thanks for pointing this out. We will send a patch for this soon.
I am not ignoring any warnings. I did build my tree different way as
shown below but did not get above warning message.
#> make
#> make allmodconfig
#> make allnoconfig

Please let me know how else would I get above warning message?

I missed doing make checkstack which doesn't display warning message but
lists the function names.

Thanks,
Vipul Pandya
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