From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com ([192.55.52.93]:33049 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750737AbaGTVTF (ORCPT ); Sun, 20 Jul 2014 17:19:05 -0400 Date: Sun, 20 Jul 2014 14:19:01 -0700 From: Andi Kleen Subject: Re: [PATCH 1/2] kbuild: Support split debug info v3 Message-ID: <20140720211901.GQ5803@tassilo.jf.intel.com> References: <1405466172-17055-1-git-send-email-andi@firstfloor.org> <20140720190420.GA4630@ravnborg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140720190420.GA4630@ravnborg.org> Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Sam Ravnborg Cc: Andi Kleen , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Dirk Gouders , mmarek@suse.cz > Why are as only called with -Wa,-gdwarf-2 in the non-split case? > Is this a bug or intentional? > If it is intentional then it is not explained. Probably was a merging mistake. Will fix. > > + help > > + Generate debug info into separate .dwo files. This can be > > + faster for building than including the debug information directly > Here the "faster" part is promoted. > But in your cover letter you actually highlight the "smaller" case > as more significant. > Maybe include info on both positive items. I currently don't see it significantly faster in my setup, will mention size. It may be in others though. Feel free to test. -Andi