Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932346AbbFSIeY (ORCPT ); Fri, 19 Jun 2015 04:34:24 -0400 Received: from verein.lst.de ([213.95.11.211]:59882 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753147AbbFSIeM (ORCPT ); Fri, 19 Jun 2015 04:34:12 -0400 Date: Fri, 19 Jun 2015 10:34:10 +0200 From: Christoph Hellwig To: Dan Williams Cc: axboe@kernel.dk, linux-nvdimm@ml01.01.org, boaz@plexistor.com, toshi.kani@hp.com, Vishal Verma , linux-kernel@vger.kernel.org, hch@lst.de, linux-acpi@vger.kernel.org, linux-fsdevel@vger.kernel.org, mingo@kernel.org Subject: Re: [PATCH 12/15] libnvdimm: enable iostat Message-ID: <20150619083410.GA2885@lst.de> References: <20150617235209.12943.24419.stgit@dwillia2-desk3.amr.corp.intel.com> <20150617235551.12943.76656.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150617235551.12943.76656.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 549 Lines: 11 On Wed, Jun 17, 2015 at 07:55:51PM -0400, Dan Williams wrote: > This is disabled by default as the overhead is prohibitive, but if the > user takes the action to turn it on we'll oblige. If you care about users a compile time selection doesn't make sense, why not always build it but require an opt-in? -- 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/