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Date:	Thu, 23 Feb 2012 11:42:37 +0100
From:	Francois Romieu <>
To:	Shreyas Bhatewara <>
Cc:	Jongman Heo <>,
	"" <>,
	"Scott J. Goldman" <>,
	VMware PV-Drivers <>
Subject: Re: Re: WARNING: at kernel/softirq.c:159 _local_bh_enable_ip+0x35/0x71()

(Heo, your mua broke threading)

Jongman Heo <> :
> Francois Romieu<>
> > > Jongman Heo <> :
> > > Following warning triggered with my VMware Linux guest, when NFS connection is requested from outside.
> > 
> > I'd try reverting 39d4a96fd7d2926e46151adbd18b810aeeea8ec0.
> I confirm that reverting the commit fixes the warning.

Shreyas, can you provide a proper fix for this bug (see for details).

As far as I understand it you can not claim a fake transport layer header
size for udp and blindly check the available buffer size through
pskb_may_pull later. With a 32 bits HIGHMEM guest config (yuck...) it ends
up enabling bh within a network device start_xmit context.

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