Re: [PATCH bpf-next v2 0/3] Maintain selftest configuration in-tree

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Hey Daniel,

While each patch in series shows v3, the cover latter subject still shows v2, although description shows v2 -> v3 changes. This also explains why CI showed v2 version in PR. Something to check in your setup.

Regards,
Mykola

> On Jul 26, 2022, at 4:04 PM, Mykola Lysenko <mykolal@xxxxxx> wrote:
> 
> 
> 
>> On Jul 26, 2022, at 1:11 PM, Daniel Müller <deso@xxxxxxxxxx> wrote:
>> 
>> BPF selftests mandate certain kernel configuration options to be present in
>> order to pass. Currently the "reference" config files containing these options
>> are hosted in a separate repository [0]. From there they are picked up by the
>> BPF continuous integration system as well as the in-tree vmtest.sh helper
>> script, which allows for running tests in a VM-based setup locally.
>> 
>> But it gets worse, as "BPF CI" is really two CI systems: one for libbpf
>> (mentioned above) and one for the bpf-next kernel repository (or more precisely:
>> family of repositories, as bpf-rc is using the system). As such, we have an
>> additional -- and slightly divergent -- copy of these configurations.
>> 
>> This patch set proposes the merging of said configurations into this repository.
>> Doing so provides several benefits:
>> 1) the vmtest.sh script is now self-contained, no longer requiring to pull
>>  configurations over the network
>> 2) we can have a single copy of these configurations, eliminating the
>>  maintenance burden of keeping two versions in-sync
>> 3) the kernel tree is the place where most development happens, so it is the
>>  most natural to adjust configurations as changes are proposed there, as
>>  opposed to out-of-tree, where they would always remain an afterthought
>> 
>> The patch set is structured in such a way that we first integrate the external
>> configuration [0] and then adjust the vmtest.sh script to pick up the local
>> configuration instead of reaching out to GitHub.
>> 
>> [0] https://github.com/libbpf/libbpf/tree/20f03302350a4143825cedcbd210c4d7112c1898/travis-ci/vmtest/configs
>> 
>> ---
>> Changelog:
>> v2 -> v3:
>> - removed seven more options from s390x configuration that overlapped with
>> pre-existing config
>> v1 -> v2:
>> - minimized imported kernel configs and made them build on top of existing
>> tools/testing/selftests/bpf/config
>> - moved them directly into tools/testing/selftests/bpf/
>> - sorted and cleaned up tools/testing/selftests/bpf/config
>> - removed "selftests/bpf: Integrate vmtest configs" from patch set
>> - removed 4.9 & 5.5 configs
>> 
>> Daniel Müller (3):
>> selftests/bpf: Sort configuration
>> selftests/bpf: Copy over libbpf configs
>> selftests/bpf: Adjust vmtest.sh to use local kernel configuration
>> 
>> tools/testing/selftests/bpf/DENYLIST       |   6 +
>> tools/testing/selftests/bpf/DENYLIST.s390x |  67 ++++++
>> tools/testing/selftests/bpf/config         | 101 ++++-----
>> tools/testing/selftests/bpf/config.s390x   | 147 ++++++++++++
>> tools/testing/selftests/bpf/config.x86_64  | 251 +++++++++++++++++++++
>> tools/testing/selftests/bpf/vmtest.sh      |  51 +++--
>> 6 files changed, 554 insertions(+), 69 deletions(-)
>> create mode 100644 tools/testing/selftests/bpf/DENYLIST
>> create mode 100644 tools/testing/selftests/bpf/DENYLIST.s390x
>> create mode 100644 tools/testing/selftests/bpf/config.s390x
>> create mode 100644 tools/testing/selftests/bpf/config.x86_64
>> 
>> -- 
>> 2.30.2
>> 
> 
> Acked-by: Mykola Lysenko <mykolal@xxxxxx>





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