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Jun 08, 2017

BPF updates 06

This is issue 06 of the regular newsletter around BPF written by Alexander Alemayhu. It summarizes ongoing development, presentations, videos and other information related to BPF and XDP. It is released roughly once a week.


Linux 4.12-rc4 was released this week. No new BPF changes were in this release, but several patches were applied on netdev. The highlights are

  • The BPF id patches which were ready last week but had to be re-spin because of merge conflicts.
  • All perf events now have BPF support.

Other interesting topics

  • VF XDP support for the qede driver.
  • Better alignment tracking and improvements to the verifier.

See the patches section for all the links.

Videos

Netdev 2.1 - XDP for the Rest of Us By Andy Gospodarek + Jesper Dangaard Brouer

Extensive walk-through of the XDP programs in the prototype-kernel repository. The talk is overall great and covers several BPF and XDP concepts from the programmer perspective. Also nice to hear tips, tricks and pitfalls being covered.

In case you missed it

Cilium v0.9 Released: Hello Kubernetes!

Cilium 0.9.0 was released last week.

XDP Newbies...

Which is a place where people can talk about getting up to speed with setting up an XDP build environment and writing XDP programs.

You can subscribe by sending a email to majordomo@vger.kernel.org, with a message body containing subscribe xdp-newbies. No subject is needed, but you can of course add one if you like.

Random cool note

55 pages about how to improve container security. @ciliumproject #BPF, best practices, @coreos clair, #apparmor http://scaledocker.com

Some patches

Please note that netdev receives a lot of patches and the list above is not meant to be comprehensive.

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