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_HELO_NONE,SPF_PASS autolearn=no 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 CC245C38A2A for ; Fri, 8 May 2020 15:06:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A926121655 for ; Fri, 8 May 2020 15:06:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728164AbgEHPGT (ORCPT ); Fri, 8 May 2020 11:06:19 -0400 Received: from smtprelay0086.hostedemail.com ([216.40.44.86]:44410 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728103AbgEHPGS (ORCPT ); Fri, 8 May 2020 11:06:18 -0400 Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay06.hostedemail.com (Postfix) with ESMTP id 9C8AD182251AF; Fri, 8 May 2020 15:06:17 +0000 (UTC) X-Session-Marker: 6A6F6540706572636865732E636F6D X-HE-Tag: cable03_36c64c458aa45 X-Filterd-Recvd-Size: 1380 Received: from XPS-9350.home (unknown [47.151.136.130]) (Authenticated sender: joe@perches.com) by omf10.hostedemail.com (Postfix) with ESMTPA; Fri, 8 May 2020 15:06:16 +0000 (UTC) Message-ID: Subject: Re: [PATCH] Kconfig: default to CC_OPTIMIZE_FOR_PERFORMANCE_O3 for gcc >= 10 From: Joe Perches To: Arnd Bergmann , Oleksandr Natalenko Cc: "Jason A. Donenfeld" , LKML , X86 ML , Andrew Morton Date: Fri, 08 May 2020 08:06:14 -0700 In-Reply-To: References: <20200507224530.2993316-1-Jason@zx2c4.com> <20200508090202.7s3kcqpvpxx32syu@butterfly.localdomain> <20200508113336.2vdfdnc6tqyx4pu6@butterfly.localdomain> Content-Type: text/plain; charset="ISO-8859-1" User-Agent: Evolution 3.36.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2020-05-08 at 13:49 +0200, Arnd Bergmann wrote: > Personally, I'm more interested in improving compile speed of the kernel Any opinion on precompiled header support?