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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 3D206C64E90 for ; Mon, 30 Nov 2020 11:53:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C43152084C for ; Mon, 30 Nov 2020 11:53:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="MnNpDy1I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728905AbgK3LxL (ORCPT ); Mon, 30 Nov 2020 06:53:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:33668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726137AbgK3LxJ (ORCPT ); Mon, 30 Nov 2020 06:53:09 -0500 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 C24982074A; Mon, 30 Nov 2020 11:52:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606737148; bh=ZiZagQtRbUz77A0qHJ/6d4tgOyHKNO+y3elnQs2W+xw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MnNpDy1IneXFXP/lQupOBnMLxBRe5aJE3S3AeMbB5b0qt3ZR65WOmJaShZf3bd0Xx wt8jX8yj5HEw/l01qC8cRnrqIuZ7ah7LMJfsVUDMV4xuXzrh4/7bKTGlnvKmeAcGnj WiTprgJ8Vio2K37i3mmw4xbiu/TLHBswxaM7XYfk= Date: Mon, 30 Nov 2020 11:52:22 +0000 From: Will Deacon To: Sami Tolvanen Cc: Masahiro Yamada , Steven Rostedt , Josh Poimboeuf , Peter Zijlstra , Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH v7 14/17] arm64: vdso: disable LTO Message-ID: <20201130115222.GC24563@willie-the-truck> References: <20201118220731.925424-1-samitolvanen@google.com> <20201118220731.925424-15-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201118220731.925424-15-samitolvanen@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Wed, Nov 18, 2020 at 02:07:28PM -0800, Sami Tolvanen wrote: > Disable LTO for the vDSO by filtering out CC_FLAGS_LTO, as there's no > point in using link-time optimization for the small about of C code. "about" => "amount" ? > > Signed-off-by: Sami Tolvanen > Reviewed-by: Kees Cook > --- > arch/arm64/kernel/vdso/Makefile | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) With the typo fixed: Acked-by: Will Deacon Will