From: Alexei Starovoitov <a...@plumgrid.com> Date: Thu, 23 Oct 2014 18:41:08 -0700
> introduce two configs: > - hidden CONFIG_BPF to select eBPF interpreter that classic socket filters > depend on > - visible CONFIG_BPF_SYSCALL (default off) that tracing and sockets can use > > that solves several problems: > - tracing and others that wish to use eBPF don't need to depend on NET. > They can use BPF_SYSCALL to allow loading from userspace or select BPF > to use it directly from kernel in NET-less configs. > - in 3.18 programs cannot be attached to events yet, so don't force it on > - when the rest of eBPF infra is there in 3.19+, it's still useful to > switch it off to minimize kernel size > > Signed-off-by: Alexei Starovoitov <a...@plumgrid.com> > --- > > bloat-o-meter on x64 shows: > add/remove: 0/60 grow/shrink: 0/2 up/down: 0/-15601 (-15601) > > tested with many different config combinations. Hopefully didn't miss > anything. Applied with two changes: 1) boolean --> bool 2) Moved bloat-o-meter and testing information into commit message. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
