netdev - Re: [PATCH bpf-next v2 0/7] selftests: bpf: break up test

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Date:   Sat, 2 Mar 2019 01:00:49 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Stanislav Fomichev <sdf@...gle.com>, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org
Subject: Re: [PATCH bpf-next v2 0/7] selftests: bpf: break up test_progs

On 03/01/2019 12:24 AM, Stanislav Fomichev wrote:
> Recently we had linux-next bpf/bpf-next conflict when we added new
> functionality to the test_progs.c at the same location. Let's split
> test_progs.c the same way we recently split test_verifier.c.
> 
> I follow the same patten we did in commit 2dfb40121ee8 ("selftests: bpf:
> prepare for break up of verifier tests") for verifier: create
> scaffolding to support dedicated files and slowly move the tests into
> separate files.
> 
> The first patch adds scaffolding, subsequent patches move progs into
> separate files.
> 
> In theory, many of the standalone tests can be migrated to this new
> framework as well. They get the benefit of common CHECK macro and
> bpf_find_map function which a lot of standalone tests need to redefine.
> 
> v2 changes:
> * added cover letter, added more description about file structure
> 
> Stanislav Fomichev (7):
>   selftests: bpf: break up test_progs - preparations
>   selftests: bpf: break up test_progs - pkt access
>   selftests: bpf: break up test_progs - xdp
>   selftests: bpf: break up test_progs - stackmap
>   selftests: bpf: break up test_progs - tracepoint
>   selftests: bpf: break up test_progs - spinlock
>   selftests: bpf: break up test_progs - misc

Looks good, thanks for bringing some structure into selftests! Series
failed to apply cleanly on the last patch though:

Switched to a new branch 'bpf-split-prog-tests'
Applying: selftests: bpf: break up test_progs - preparations
Applying: selftests: bpf: break up test_progs - pkt access
Applying: selftests: bpf: break up test_progs - xdp
Applying: selftests: bpf: break up test_progs - stackmap
Applying: selftests: bpf: break up test_progs - tracepoint
Applying: selftests: bpf: break up test_progs - spinlock
Applying: selftests: bpf: break up test_progs - misc
fatal: sha1 information is lacking or useless (tools/testing/selftests/bpf/test_progs.c).
error: could not build fake ancestor

Last commit in that file before this series is your ebace0e981b2
("selftests/bpf: use __bpf_constant_htons in test_prog.c for flow
dissector"), please respin with a fresh rebase.

Thanks,
Daniel