linux-kernel - Re: [PATCH -next] kvm: uses TASKSTATS, depends on NET

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Date:	Wed, 3 Aug 2011 18:02:19 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Avi Kivity <avi@...hat.com>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, kvm@...r.kernel.org
Subject: Re: [PATCH -next] kvm: uses TASKSTATS, depends on NET

On Tue, Aug 02, 2011 at 12:54:31PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@...otime.net>
> 
> CONFIG_TASKSTATS just had a change to use netlink, including
> a change to "depends on NET".  Since "select" does not follow
> dependencies, KVM also needs to depend on NET to prevent build
> errors when CONFIG_NET is not enabled.
> 
> Sample of the reported "undefined reference" build errors:
> 
> taskstats.c:(.text+0x8f686): undefined reference to `nla_put'
> taskstats.c:(.text+0x8f721): undefined reference to `nla_reserve'
> taskstats.c:(.text+0x8f8fb): undefined reference to `init_net'
> taskstats.c:(.text+0x8f905): undefined reference to `netlink_unicast'
> taskstats.c:(.text+0x8f934): undefined reference to `kfree_skb'
> taskstats.c:(.text+0x8f9e9): undefined reference to `skb_clone'
> taskstats.c:(.text+0x90060): undefined reference to `__alloc_skb'
> taskstats.c:(.text+0x901e9): undefined reference to `skb_put'
> taskstats.c:(.init.text+0x4665): undefined reference to `genl_register_family'
> taskstats.c:(.init.text+0x4699): undefined reference to `genl_register_ops'
> taskstats.c:(.init.text+0x4710): undefined reference to `genl_unregister_ops'
> taskstats.c:(.init.text+0x471c): undefined reference to `genl_unregister_family'
> 
> Signed-off-by: Randy Dunlap <rdunlap@...otime.net>

Applied, thanks.

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