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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 47956C982D2 for ; Thu, 17 Sep 2026 17:38:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=o4BbBmlOa5kxpY6t6ucuudpafAa/I4UBJvi1ZZrRLQE=; b=22lWI4w8z3Pf+n uko1Qdl3dlylp2DMpIsBLNdaSmtLjiWpLrK4N5JjNjmZ+M9030xbutdVa0M6nCqZaKmT9xAugTh6S sIVIFNYYKZuAKX6Mote6gVX2s4G1kjJA0BubVJDKiVXdKYHWh3aYDfDTUQJaFpdM6beBxVd1j1U1Z f2a/uyrikBL+42sv6cxfO8xbIgrI+RvUYGQCTBV6MdyFaGXIWZbByvPLF7gqBXHSpXKKxAQfJurkd K9+tXUnF2RvL2o+tfda0ns+oDZCsjIhtwtnVFarBd+cSoSvjDCTLFIfdDI4xw+mzqecc2qHwH9Pq1 qG/4wlGfswFC/v/mcciw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7G3w-0000000C6X4-2Ukf; Thu, 17 Sep 2026 17:38:20 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7G3u-0000000C6WN-3iey; Thu, 17 Sep 2026 17:38:18 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 527E2601FF; Thu, 17 Sep 2026 17:38:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F27881F00893; Thu, 17 Sep 2026 17:38:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789666698; bh=82QCZLgXlq3HllOhKT6Yb32CPb39AXzdv4Gsai45+qc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=XgLFJVXqk8vF1LPiVrJpWUF8Q92lD5fXYMKKuIpVn+ggLnA9Lf2zOZ71ydWLEGoex smxQka5WZDFeG8/bNwItz2gvXCrURqWsk5f76lRF19Ud0EETjGcJYLgBWg/LEKcv0t HHItlqD56kd+oAb18jweq8RqXi6A1Yw/Vo5wH+CevBBCj8Mp3H27emgA3LJXxegCfv LbVnHMQqXuiXvLX/SppuXO5DRggt/BvIV8fT2niy80ULZndR9nDgyowx2AzmaUeCn4 Z/u8lbw6SDwSuxGWm+PUMUjDNKB2z5FHkEj0kqIT0bdSu6qKiarZMYQEQjj8ojFh9X rAjj3hYLF9SDw== Date: Thu, 17 Sep 2026 10:38:17 -0700 From: Kees Cook To: "Lorenzo Stoakes (ARM)" Cc: Linus Torvalds , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Masahiro Yamada , Alexey Gladkov , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Arnd Bergmann , Catalin Marinas , Will Deacon , Mark Rutland , Ard Biesheuvel , Ilias Apalodimas , Josh Poimboeuf , Peter Zijlstra , Miguel Ojeda , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , Onur =?iso-8859-1?Q?=D6zkan?= , Jonathan Corbet , Randy Dunlap , "Gustavo A. R. Silva" , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, Jens Axboe , linux-hardening@vger.kernel.org Subject: Re: [PATCH v3 04/20] kbuild: do not sort nm output where the order is irrelevant Message-ID: <202609171037.7D690D3CE6@keescook> References: <20260917-build-speedup-v3-0-9ecf4163ff36@kernel.org> <20260917-build-speedup-v3-4-9ecf4163ff36@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260917-build-speedup-v3-4-9ecf4163ff36@kernel.org> X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Sep 17, 2026 at 05:06:14PM +0100, Lorenzo Stoakes (ARM) wrote: > There are places where this is unnecessary - an invocation from > scripts/sorttable every vmlinux link, scripts/check-function-names.sh run > after every vmlinux.o link, and the x86 VOFFSET and ZOFFSET listings > between vmlinux and bzImage. > [...] > before after delta > --------------------------------- > x86 defconfig, touch mm/vma.c, gcc 9.7s 9.5s -0.18s (-2%) > x86 defconfig, touch mm/vma.c, clang 9.3s 9.0s -0.27s (-3%) > x86 defconfig, clean, gcc 30.3s 30.1s -0.16s (-1%) > x86 defconfig, clean, clang 31.7s 31.2s -0.55s (-2%) > x86 allmodconfig, touch mm/vma.c, clang 36.4s 35.8s -0.67s (-2%) > > Assisted-by: LLM > Signed-off-by: Lorenzo Stoakes (ARM) Not a huge boost, but it's a trivial change with a deterministic improvement. Reviewed-by: Kees Cook -- Kees Cook _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv