Andrii Nakryiko wrote:
> runqslower's Makefile is building/installing bpftool into
> $(OUTPUT)/sbin/bpftool, which coincides with $(DEFAULT_BPFTOOL). In practice
> this means that often when building selftests from scratch (after `make
> clean`), selftests are racing with runqslower to simultaneously build bpftool
> and one of the two processes fail due to file being busy. Prevent this race by
> explicitly order-depending on $(BPFTOOL_DEFAULT).
>
> Fixes: a2c9652f751e ("selftests: Refactor build to remove tools/lib/bpf from include path")
> Signed-off-by: Andrii Nakryiko <andriin@xxxxxx>
> ---
Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>
