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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e22-20020a17090658d600b006e8c1be7b7asi24380843ejs.274.2022.05.23.14.33.16; Mon, 23 May 2022 14:33:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=DtD1+J6M; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233002AbiEWU0K (ORCPT + 99 others); Mon, 23 May 2022 16:26:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233150AbiEWU0H (ORCPT ); Mon, 23 May 2022 16:26:07 -0400 Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 82F8325FE; Mon, 23 May 2022 13:26:06 -0700 (PDT) Received: by mail-io1-xd32.google.com with SMTP id i74so9787123ioa.4; Mon, 23 May 2022 13:26:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3BLAGqefFcKnKvrDQkzzllfdtEJDFmKt1hLfJEqkgnw=; b=DtD1+J6MZV3anfLnN976u1SvMRB4p3Dv+GFIL2oz2VSCrPQcQszE9qmG45a+XMQz3x LBbsWr8WJxvhuFUtvkNLPt3PegpxtJr4gAVZimKb96TyytKTD/gz6wfy5VHS3LwtuNTV jX2WvinoI665o4G/AOZz7+6xfaKBT6g8miAdJGjLZB3Cazi3wNXwg7hpl3gA0zzbGtn4 ysRilot8XAIkQlk7RvSFkp1Ya5PJFx+41DG3NctQbJXAUOAHkUVztYwEa6Qert5CnGQ1 einJtgHT/+Zd9T59hQde59zDNlAgaTIX1lroraSCp0ail3Put4Z2+W3JpKSWVvCWPR+/ H7GQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3BLAGqefFcKnKvrDQkzzllfdtEJDFmKt1hLfJEqkgnw=; b=l/9nll5kdOo4z3hrBl4s5r4XSezyWrpXubdHB4ZUBstK/BsHl6FXk9IJeIzbkV8Amt LvWGmrd3mF1E1dGU+veeWm6jkLi+7nmK4i3wz8BrkAYGzqnp7ZnWwdK4lhqoZsXJgP0D uDcw0USvL4XNAZfexWZt/EkmDqe4zBzvUmhxJEBn3bOJ32gffvRWaHP5ZZDjSN9/a5ch 5ZNjFKVJ8bpZFOgFxsqbYGkq4uZAwAIWw1pvB/Uwe/mrpaRKl4OU7QznVN+6SPWIbBzg iQ/6RGiSn0WFYHQGF/zG4YogosBgdpp1XBlIuhPk9oN6zld/aGtt4HOX1RNlaS+SRaGL 1gqw== X-Gm-Message-State: AOAM5320GH3vSPM+i2OVVSY/axnz4H9E7w3PHO1XttWcarm4VlYnWCnK DiRgmDb//HMYEJCKhsQGVpKhMLFmbyy2f9Snlk0= X-Received: by 2002:a05:6638:16cf:b0:32b:6ee7:8d7d with SMTP id g15-20020a05663816cf00b0032b6ee78d7dmr12242004jat.256.1653337566001; Mon, 23 May 2022 13:26:06 -0700 (PDT) MIME-Version: 1.0 References: <23e0ba7863d51ab629498762a97d477645aeafea.1653123744.git.christophe.jaillet@wanadoo.fr> In-Reply-To: <23e0ba7863d51ab629498762a97d477645aeafea.1653123744.git.christophe.jaillet@wanadoo.fr> From: Miguel Ojeda Date: Mon, 23 May 2022 22:25:55 +0200 Message-ID: Subject: Re: [RFC PATCH] kbuild: Add an option to enable -O1 and speed-up compilation time To: Christophe JAILLET Cc: Dan , Masahiro Yamada , Michal Marek , Nick Desaulniers , linux-kernel , kernel-janitors@vger.kernel.org, Linux Kbuild mailing list Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Christophe, On Mon, May 23, 2022 at 9:11 AM Christophe JAILLET wrote: > > +KBUILD_RUSTFLAGS_OPT_LEVEL_MAP := 1 The patch seems based on linux-next -- is this intended? Thanks! Cheers, Miguel