Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753212AbaJ1ASk (ORCPT ); Mon, 27 Oct 2014 20:18:40 -0400 Received: from mail-wi0-f169.google.com ([209.85.212.169]:52290 "EHLO mail-wi0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752861AbaJ1ASi (ORCPT ); Mon, 27 Oct 2014 20:18:38 -0400 MIME-Version: 1.0 In-Reply-To: <20141027.191043.246099210901442100.davem@davemloft.net> References: <1414114868-28228-1-git-send-email-ast@plumgrid.com> <20141027.191043.246099210901442100.davem@davemloft.net> Date: Mon, 27 Oct 2014 17:18:36 -0700 Message-ID: Subject: Re: [PATCH net] bpf: split eBPF out of NET From: Alexei Starovoitov To: David Miller Cc: Geert Uytterhoeven , Josh Triplett , Ingo Molnar , Steven Rostedt , Hannes Frederic Sowa , Eric Dumazet , Daniel Borkmann , Network Development , LKML Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 27, 2014 at 4:10 PM, David Miller wrote: > From: Alexei Starovoitov > 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 >> --- >> >> 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. Thank you for taking care of it! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/