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linux-next: build failure after merge of the net-next tree

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  linux-next: build failure after merge of the net-next tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-07-18 03:10 +0200
    Re: linux-next: build failure after merge of the net-next tree John Fastabend <john.fastabend@gmail.com> - 2017-07-18 07:00 +0200

#1689588 — linux-next: build failure after merge of the net-next tree

Hi all,

After merging the net-next tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

net/core/filter.o: In function `xdp_do_flush_map':
filter.c:(.text+0x3770): undefined reference to `__dev_map_flush'
net/core/filter.o: In function `__bpf_tx_xdp':
filter.c:(.text+0x56dc): undefined reference to `__dev_map_insert_ctx'
net/core/filter.o: In function `xdp_do_redirect_map':
filter.c:(.text+0x5e24): undefined reference to `__dev_map_lookup_elem'

Caused by commit

  11393cc9b9be ("xdp: Add batching support to redirect map")

This build has

CONFIG_BPF=y
# CONFIG_BPF_SYSCALL is not set

I have used the net-next tree from next-20170717 for today.

-- 
Cheers,
Stephen Rothwell

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#1689699

On 07/17/2017 06:09 PM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the net-next tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> net/core/filter.o: In function `xdp_do_flush_map':
> filter.c:(.text+0x3770): undefined reference to `__dev_map_flush'
> net/core/filter.o: In function `__bpf_tx_xdp':
> filter.c:(.text+0x56dc): undefined reference to `__dev_map_insert_ctx'
> net/core/filter.o: In function `xdp_do_redirect_map':
> filter.c:(.text+0x5e24): undefined reference to `__dev_map_lookup_elem'
> 
> Caused by commit
> 
>   11393cc9b9be ("xdp: Add batching support to redirect map")
> 
> This build has
> 
> CONFIG_BPF=y
> # CONFIG_BPF_SYSCALL is not set
> 
> I have used the net-next tree from next-20170717 for today.
> 

I missed testing without CONFIG_BPF_SYSCALL. Patch is posted to netdev
and on patchworks at,

https://patchwork.ozlabs.org/patch/789862/

Thanks,
John

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