From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753438AbbDBPrr (ORCPT ); Thu, 2 Apr 2015 11:47:47 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:36978 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753120AbbDBPro (ORCPT ); Thu, 2 Apr 2015 11:47:44 -0400 Date: Thu, 2 Apr 2015 17:47:39 +0200 From: Ingo Molnar To: Alexei Starovoitov Cc: davem@davemloft.net, hpa@zytor.com, acme@redhat.com, acme@infradead.org, torvalds@linux-foundation.org, rostedt@goodmis.org, akpm@linux-foundation.org, a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, peterz@infradead.org, jolsa@redhat.com, daniel@iogearbox.net, masami.hiramatsu.pt@hitachi.com, tglx@linutronix.de, namhyung@kernel.org, linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/core] bpf: Fix the build on BPF_SYSCALL= y && !CONFIG_TRACING kernels, make it more configurable Message-ID: <20150402154739.GA11974@gmail.com> References: <551D63A0.5010003@plumgrid.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <551D63A0.5010003@plumgrid.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Alexei Starovoitov wrote: > On 4/2/2015 7:30 AM, tip-bot for Ingo Molnar wrote: > >Committer: Ingo Molnar > >CommitDate: Thu, 2 Apr 2015 16:28:06 +0200 > > > >bpf: Fix the build on BPF_SYSCALL=y && !CONFIG_TRACING kernels, make it more configurable > > Thanks for the fix. > I've tried this combination and it was fine, since whole kernel/trace/ > directory is not compiled when !CONFIG_TRACING, but I missed the fact > that CONFIG_RING_BUFFER=y also enables kernel/trace/ which this ia64 > .config exploited :( I'll add it to my set of configs. I saw this on x86 as well, but yeah, it was a rare thing. Thanks, Ingo