On Mon, Oct 27, 2014 at 4:10 PM, David Miller <da...@davemloft.net> wrote: > 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.
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