Re: [PATCH bpf-next 0/4] Fix perf_buffer creation on systems with offline CPUs

[Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>]

On Wed, Dec 11, 2019 at 5:35 PM Andrii Nakryiko <andriin@xxxxxx> wrote:
>
> This patch set fixes perf_buffer__new() behavior on systems which have some of
> the CPUs offline/missing (due to difference between "possible" and "online"
> sets). perf_buffer will create per-CPU buffer and open/attach to corresponding
> perf_event only on CPUs present and online at the moment of perf_buffer
> creation. Without this logic, perf_buffer creation has no chances of
> succeeding on such systems, preventing valid and correct BPF applications from
> starting.

Applied. Thanks