linux-kernel - Re: [PATCH v3 net-next 00/12] bpf: rewrite value tracking in verifier

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Message-ID: <ff1ef3ef-71ef-4c23-ede4-b8caeac561ee@fb.com>
Date:   Fri, 30 Jun 2017 11:15:39 -0700
From:   Alexei Starovoitov <ast@...com>
To:     Edward Cree <ecree@...arflare.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>
CC:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        iovisor-dev <iovisor-dev@...ts.iovisor.org>
Subject: Re: [PATCH v3 net-next 00/12] bpf: rewrite value tracking in verifier

On 6/30/17 9:44 AM, Edward Cree wrote:
> I haven't measured the test_progs ones, because I *still* haven't gotten
>  around to actually setting up a BPF toolchain (it doesn't help that I'm
>  building everything on a test server that gets reimaged every night to
>  run our nightly tests...).

then you're missing a lot of tests then...
installing llvm is trivial. On x86 there are plenty of pre-built
packages that you can apt-get or yum.
Dave had to compile llvm and gcc from source on sparc, so volatile test
server isn't really an excuse to miss all these tests ;)
especially for such large verifier change.