From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1949359AbcBSTiQ (ORCPT ); Fri, 19 Feb 2016 14:38:16 -0500 Received: from smtprelay0034.hostedemail.com ([216.40.44.34]:50288 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1947595AbcBSTiP (ORCPT ); Fri, 19 Feb 2016 14:38:15 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::,RULES_HIT:41:355:379:541:599:960:965:966:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1541:1593:1594:1711:1730:1747:1777:1792:2194:2196:2198:2199:2200:2201:2393:2553:2559:2562:2731:2908:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3868:3870:3871:3872:3873:3874:4321:4385:4390:4395:5007:6261:7875:7903:7904:10004:10400:10848:10967:11026:11232:11473:11658:11914:12043:12296:12438:12517:12519:12555:12663:12740:13069:13076:13311:13357:14096:14097:14659:21080:30054:30090:30091,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:2,LUA_SUMMARY:none X-HE-Tag: beast71_6492dec4dd446 X-Filterd-Recvd-Size: 2168 Date: Fri, 19 Feb 2016 14:38:10 -0500 From: Steven Rostedt To: Tom Zanussi Cc: masami.hiramatsu.pt@hitachi.com, namhyung@kernel.org, josh@joshtriplett.org, andi@firstfloor.org, mathieu.desnoyers@efficios.com, peterz@infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v13 08/29] tracing: Add lock-free tracing_map Message-ID: <20160219143810.06d96c89@gandalf.local.home> In-Reply-To: References: X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.29; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 10 Dec 2015 12:50:50 -0600 Tom Zanussi wrote: > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig > index e45db6b..48b7329 100644 > --- a/kernel/trace/Kconfig > +++ b/kernel/trace/Kconfig > @@ -528,6 +528,19 @@ config MMIOTRACE > See Documentation/trace/mmiotrace.txt. > If you are not helping to develop drivers, say N. > > +config TRACING_MAP > + bool > + depends on ARCH_HAVE_NMI_SAFE_CMPXCHG > + default n Default is always n ;-) > + help > + tracing_map is a special-purpose lock-free map for tracing, > + separated out as a stand-alone facility in order to allow it > + to be shared between multiple tracers. It isn't meant to be > + generally used outside of that context, and is normally > + selected by tracers that use it. > + > + If in doubt, say N. This doesn't have a prompt. I'm going to nuke both the "If in doubt" and the "default n" from the patch. -- Steve > + > config MMIOTRACE_TEST > tristate "Test module for mmiotrace" > depends on MMIOTRACE && m