linux-kernel - Re: linux-next: manual merge of the bpf-next tree with the bpf tree

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Date:   Wed, 16 Oct 2019 10:27:51 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Yonghong Song <yhs@...com>,
        Toke Høiland-Jørgensen <toke@...hat.com>
Subject: Re: linux-next: manual merge of the bpf-next tree with the bpf tree

Hi all,

This is now a conflict between the net and net-next trees.

On Tue, 8 Oct 2019 09:48:40 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the bpf-next tree got a conflict in:
> 
>   tools/lib/bpf/Makefile
> 
> between commit:
> 
>   1bd63524593b ("libbpf: handle symbol versioning properly for libbpf.a")
> 
> from the bpf tree and commit:
> 
>   a9eb048d5615 ("libbpf: Add cscope and tags targets to Makefile")
> 
> from the bpf-next tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> -- 
> Cheers,
> Stephen Rothwell
> 
> diff --cc tools/lib/bpf/Makefile
> index 56ce6292071b,10b77644a17c..000000000000
> --- a/tools/lib/bpf/Makefile
> +++ b/tools/lib/bpf/Makefile
> @@@ -143,7 -133,9 +143,9 @@@ LIB_TARGET	:= $(addprefix $(OUTPUT),$(L
>   LIB_FILE	:= $(addprefix $(OUTPUT),$(LIB_FILE))
>   PC_FILE		:= $(addprefix $(OUTPUT),$(PC_FILE))
>   
> + TAGS_PROG := $(if $(shell which etags 2>/dev/null),etags,ctags)
> + 
>  -GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN) | \
>  +GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \
>   			   cut -d "@" -f1 | sed 's/_v[0-9]_[0-9]_[0-9].*//' | \
>   			   awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$8}' | \
>   			   sort -u | wc -l)

-- 
Cheers,
Stephen Rothwell

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