From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A694C43143 for ; Mon, 1 Oct 2018 15:14:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 24B4521470 for ; Mon, 1 Oct 2018 15:14:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24B4521470 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729625AbeJAVwZ (ORCPT ); Mon, 1 Oct 2018 17:52:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:59062 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729531AbeJAVwZ (ORCPT ); Mon, 1 Oct 2018 17:52:25 -0400 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BF94F208D9; Mon, 1 Oct 2018 15:14:07 +0000 (UTC) Date: Mon, 1 Oct 2018 11:14:06 -0400 From: Steven Rostedt To: Torsten Duwe Cc: Ard Biesheuvel , Masami Hiramatsu , Will Deacon , Catalin Marinas , Julien Thierry , Josh Poimboeuf , Ingo Molnar , Arnd Bergmann , AKASHI Takahiro , linux-arm-kernel , Linux Kernel Mailing List , live-patching@vger.kernel.org Subject: Re: [PATCH v3 1/4] DYNAMIC_FTRACE configurable with and without REGS Message-ID: <20181001111406.0c799813@gandalf.local.home> In-Reply-To: <20181001151037.GB2634@lst.de> References: <20181001140910.086E768BC7@newverein.lst.de> <20181001141643.331EE68BC7@newverein.lst.de> <20181001150353.GA2634@lst.de> <20181001151037.GB2634@lst.de> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 1 Oct 2018 17:10:37 +0200 Torsten Duwe wrote: > On Mon, Oct 01, 2018 at 05:06:06PM +0200, Ard Biesheuvel wrote: > > On 1 October 2018 at 17:03, Torsten Duwe wrote: > > > On Mon, Oct 01, 2018 at 04:52:27PM +0200, Ard Biesheuvel wrote: > > >> > > >> I guess we now have Kbuild/Kconfig support for this, no? I mean, we > > >> can now show/hide options depending on the capabilities of the > > >> toolchain. > > > > > > Config options depending on flags availability? > > > > > Yes. Note that 'make menuconfig' now prints the compiler version at > > the top, and kconfig options can now 'depend' on compiler features, > > Ah, cool, got it. So unless anyone else thinks this patch is useful, > feel free to disregard it ;-) Point taken. > Yes, please don't apply this patch. Have the build system figure out if the tool chain can handle it or not. -- Steve