Hey David, On 8/19/22 12:12 AM, David Vernet wrote:
This patch set defines a new map type, BPF_MAP_TYPE_USER_RINGBUF, which provides single-user-space-producer / single-kernel-consumer semantics over a ringbuffer. Along with the new map type, a helper function called bpf_user_ringbuf_drain() is added which allows a BPF program to specify a callback with the following signature, to which samples are posted by the helper:
Looks like this series fail BPF CI, ptal: https://github.com/kernel-patches/bpf/runs/7996821883?check_suite_focus=true [...] bpftool_checks - Running bpftool checks... Comparing /tmp/work/bpf/bpf/tools/include/uapi/linux/bpf.h (bpf_map_type) and /tmp/work/bpf/bpf/tools/bpf/bpftool/map.c (do_help() TYPE): {'user_ringbuf'} Comparing /tmp/work/bpf/bpf/tools/include/uapi/linux/bpf.h (bpf_map_type) and /tmp/work/bpf/bpf/tools/bpf/bpftool/Documentation/bpftool-map.rst (TYPE): {'user_ringbuf'} bpftool checks returned 1. [...]
