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Re: [PATCH v2] arm: eBPF JIT compiler

From Daniel Borkmann <daniel@iogearbox.net>
Newsgroups linux.kernel
Subject Re: [PATCH v2] arm: eBPF JIT compiler
Date 2017-06-13 01:20 +0200
Message-ID <tRGMO-cb-3@gated-at.bofh.it> (permalink)
References <tLacW-6iz-13@gated-at.bofh.it> <tMUQp-2TU-1@gated-at.bofh.it> <tRuLD-Ua-5@gated-at.bofh.it> <tRzLm-3Xh-59@gated-at.bofh.it>
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On 06/12/2017 05:40 PM, Shubham Bansal wrote:
[...]
>> Did you manage to get tail calls tested as well (I assume so since you
>> implemented emit_bpf_tail_call() in the patch but just out of curiosity)?
>
> I didn't try it exclusively, I thought test_bpf must have tested it. Doesn't it?

In samples/bpf/ there's sockex3* that would exercise it, or
alternatively in iproute2 repo under examples/bpf/ there's
bpf_cyclic.c and bpf_tailcall.c as a prog.

Hm, generally, we should really add a test case also to BPF
selftest suite to facilitate that. I'll likely do that for
the next batch of BPF patches.

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Thread

Re: [PATCH v2] arm: eBPF JIT compiler Daniel Borkmann <daniel@iogearbox.net> - 2017-06-12 12:30 +0200
  Re: [PATCH v2] arm: eBPF JIT compiler Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-06-12 13:10 +0200
    Re: [PATCH v2] arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-06-12 17:50 +0200
  Re: [PATCH v2] arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-06-12 17:50 +0200
    Re: [PATCH v2] arm: eBPF JIT compiler Alexander Alemayhu <alexander@alemayhu.com> - 2017-06-13 00:50 +0200
      Re: [PATCH v2] arm: eBPF JIT compiler David Miller <davem@davemloft.net> - 2017-06-13 00:50 +0200
    Re: [PATCH v2] arm: eBPF JIT compiler Daniel Borkmann <daniel@iogearbox.net> - 2017-06-13 01:20 +0200
    Re: [PATCH v2] arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-06-13 09:00 +0200
      Re: [PATCH v2] arm: eBPF JIT compiler Daniel Borkmann <daniel@iogearbox.net> - 2017-06-14 22:40 +0200
        Re: [PATCH v2] arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-06-17 14:30 +0200
          Re: [PATCH v2] arm: eBPF JIT compiler Daniel Borkmann <daniel@iogearbox.net> - 2017-06-19 20:20 +0200

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