Received: by 2002:a25:23cc:0:0:0:0:0 with SMTP id j195csp134758ybj; Fri, 8 May 2020 08:10:06 -0700 (PDT) X-Google-Smtp-Source: APiQypIpFh+HI7ntwqhXT4y9iSB/sUNjbPqcprOeoY0QliAqYBw+NjiHEcI8febbewe7wj8u9HCj X-Received: by 2002:a05:6402:120a:: with SMTP id c10mr2337396edw.15.1588950606090; Fri, 08 May 2020 08:10:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588950606; cv=none; d=google.com; s=arc-20160816; b=AFj5Dxdf4jvn11xyvTxVOL1b9WsksZgHDtWZueZEiaMKVyq4b1rzHXcv3SEXualKO7 Ql0ropvzP7s2iGkzYmmIeVxMg9iwZijWZTb4SsbAtjbS14fGQ4UkLAblN87FOkykEf/s jqK57JSTN/G9a4q1vZN7ZUnIzU9Dff41UyPaS5T+mZEsCujXPgX6nV5l4/LnlA1m8D1v o0o9VQnKW7bvsTKKu+4beAGj1sv6Gb7MroI89TANhEFtH6CC8I3YjeLEnijxGNXXvN+w dEDOiGTZR2kfWzfjy5eD6ZqdQ+VI5x2Ree+6Dx4Mv/wmnZMRB+mDH/pEDPFbKjxdjm/Q VJTw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:cc:to:from:subject :message-id; bh=z1kFIhfENG82BKNpghVsAeZZLH6HprlIBiIHiYwYNxU=; b=T6iMA9O+k/Q+fFdgDd6Zabo7SKsXJFNnNiYR2TU1RSAl+KBxh3NoqXLJXyLtZVwoT0 ajj9ZJXJfPXlGVfeGpfVN6/Yx8waYpDQkT+XlPuvCRe3u57jGak1yHcLqNMlE7lmfKyJ 9pHF/MBBXmQj+/6uEpMFR7irzWvZf43VlTAS2BvUWzAcqikY3MKNFOz1XEJJMzi9/5cp lc+Px+jiP5uazs1pe4kJlS+Hadxl8JdPmuO9xX6L+ghWcgeQeSsWI/cECKBty+OfekOA l1V1llHDfSbAX+AZ1QbaExbi8oksYJsYmLCXsWHpM3BV/bXiCdjNokmAPi9QfRy762Cy lJVA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p9si1068857ejf.493.2020.05.08.08.09.42; Fri, 08 May 2020 08:10:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728154AbgEHPGT (ORCPT + 99 others); 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-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,,RULES_HIT:41:355:379:599:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1536:1559:1593:1594:1711:1714:1730:1747:1777:1792:2393:2559:2562:2828:3138:3139:3140:3141:3142:3622:3865:3866:3870:4321:5007:6120:7901:10004:10400:10848:11232:11658:11914:12114:12196:12297:12663:12740:12760:12895:13069:13311:13357:13439:14659:21080:21433:21627:30054:30091,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:4,LUA_SUMMARY:none 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?