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 CD234C369A2 for ; Tue, 8 Apr 2025 13:46:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:Subject:References:In-Reply-To:Message-Id:Cc:To:From:Date: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pe/pDEo2guyYHlVB8bG9VreJJk3m2ca7soHvKl38b0Q=; b=zk1qF+7BYDbyc0PDSW5hmk1qjt Spw6JOzB96zLCXB29Y7Ycf0wViXwt1Ouz2HPYvtTesJuINA7tdb/fiNjuvz4GqB0nZ5U+7VvHZHkQ dL6mvQ9c1XXk3Yw6+kOw3j62+9HAuEV2FIX8aylwVpwgOKk7Gz6JHAUaxAlXxcXec8QbCX6hegQB4 xjWVoCWsBmuHVaKVUTVp9J/pbBa8Zg78cnc2HY8Ux7OA1xf3aI9EOQNRleNXp4yYJYKHpWIKGbNSf C4E52AZ2F9iGsulIlba9BpPBl0WX/twB6uuBennvWs7rVywUhvK65DJYpBUxG3IwG9XOeHd25VcpD BLnLh3wQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1u29HY-00000004G0f-1IdT; Tue, 08 Apr 2025 13:46:28 +0000 Received: from fout-a8-smtp.messagingengine.com ([103.168.172.151]) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1u28jw-000000045al-2uik for linux-arm-kernel@lists.infradead.org; Tue, 08 Apr 2025 13:11:46 +0000 Received: from phl-compute-12.internal (phl-compute-12.phl.internal [10.202.2.52]) by mailfout.phl.internal (Postfix) with ESMTP id DE5841380120; Tue, 8 Apr 2025 09:11:42 -0400 (EDT) Received: from phl-imap-11 ([10.202.2.101]) by phl-compute-12.internal (MEProxy); Tue, 08 Apr 2025 09:11:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1744117902; x=1744204302; bh=pe/pDEo2guyYHlVB8bG9VreJJk3m2ca7soHvKl38b0Q=; b= Z3dIpbMw0Y/mYAqGZZg05ku4GQKx2KTKYEH+2+8z3sSbrcLlfVEtTdhD7ThHC5hr n6WvlMqOjQxfQ8vEu27QZ1w8K/8cQXFvB2H9fTBRHzOPKvPOS9o/r45TQMgLBieW +0Tmf4+M2RxlY2KMXR6rt64U8DrrP/BPhZIZTkhmeXWVELHlxLLMuikurXX3Oj1Y K/6Iun73MgWvnl8Hx6+/PKGOV5EQm/n37JuUCIO1SvsM91mGX5dkSkKQVmYe92+2 bzQjr5WFwkPnA3kgbw8CqIXbujYBH9ZhJhTwUW38S0rER5B+KWy323CwOetKjKro N+y5tQIZmKhTH3hiDyrTtw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1744117902; x= 1744204302; bh=pe/pDEo2guyYHlVB8bG9VreJJk3m2ca7soHvKl38b0Q=; b=a 1r82MnE8x+eDKresOkBHjcK51fL8yVo1GCSCWhEwT2CdvJLFiE6SPd2AvIYieZXa 1HJn4+7d5qKGumBkabqXEpaCi+OZMP1RavQleKRG4TDt5wI5r1613Ibq4olhHKTh GPLx+eruJJmqaO4oe0O3K4lQROsFt5JfzlC8ZAMYstihPzIrC+8RDUI+N9VSI6/e x/vfyHPDxGhCw84MEcelcHeG44WV5dWY1d4w8MpSqgP/e3M7IbVd8EEDa2+aKsHn zR9j/QJMkE1E5J5pnPXhmLhP3DF5jHGTnMs8AEdobasdGhX+jNN9AaLFe7RNW7Nv uBOq+bMDtmje3YHkAM7/g== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvtdefudejucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggv pdfurfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpih gvnhhtshculddquddttddmnecujfgurhepofggfffhvfevkfgjfhfutgfgsehtjeertder tddtnecuhfhrohhmpedftehrnhguuceuvghrghhmrghnnhdfuceorghrnhgusegrrhhnug gsrdguvgeqnecuggftrfgrthhtvghrnhephfdthfdvtdefhedukeetgefggffhjeeggeet fefggfevudegudevledvkefhvdeinecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrg hmpehmrghilhhfrhhomheprghrnhgusegrrhhnuggsrdguvgdpnhgspghrtghpthhtohep vdeipdhmohguvgepshhmthhpohhuthdprhgtphhtthhopegsphesrghlihgvnhekrdguvg dprhgtphhtthhopegtrghtrghlihhnrdhmrghrihhnrghssegrrhhmrdgtohhmpdhrtghp thhtohepmhgrrhhkrdhruhhtlhgrnhgusegrrhhmrdgtohhmpdhrtghpthhtohepnhhitg holhgrshesfhhjrghslhgvrdgvuhdprhgtphhtthhopegsrhhgvghrshhtsehgmhgrihhl rdgtohhmpdhrtghpthhtohepuhgsihiijhgrkhesghhmrghilhdrtghomhdprhgtphhtth hopehhvghrsggvrhhtsehgohhnughorhdrrghprghnrgdrohhrghdrrghupdhrtghpthht oheprghruggssehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrrhhnugeskhgvrhhnvg hlrdhorhhg X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 06B8E2220073; Tue, 8 Apr 2025 09:11:40 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: T0f9b5cbc403118ed Date: Tue, 08 Apr 2025 15:10:57 +0200 From: "Arnd Bergmann" To: "Will Deacon" , "Arnd Bergmann" Cc: linux-kbuild@vger.kernel.org, "H. Peter Anvin" , "Ard Biesheuvel" , "Borislav Petkov" , "Brian Gerst" , "Catalin Marinas" , "Dave Hansen" , "Herbert Xu" , "Ingo Molnar" , "Jonathan Corbet" , "Marc Zyngier" , "Mark Rutland" , "Masahiro Yamada" , "Nathan Chancellor" , "Nicolas Schier" , "Takashi Iwai" , "Thomas Gleixner" , "Uros Bizjak" , linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, x86@kernel.org Message-Id: In-Reply-To: <20250408084642.GA1768@willie-the-truck> References: <20250407094116.1339199-1-arnd@kernel.org> <20250407094116.1339199-5-arnd@kernel.org> <20250408084642.GA1768@willie-the-truck> Subject: Re: [PATCH 4/4] arm64: drop binutils version checks Content-Type: text/plain Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250408_061144_811380_BC3EC10A X-CRM114-Status: GOOD ( 14.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Apr 8, 2025, at 10:46, Will Deacon wrote: > Hi Arnd, > > On Mon, Apr 07, 2025 at 11:41:16AM +0200, Arnd Bergmann wrote: >> From: Arnd Bergmann >> >> Now that gcc-8 and binutils-2.30 are the minimum versions, a lot of >> the individual feature checks can go away for simplification. >> >> Signed-off-by: Arnd Bergmann >> --- >> arch/arm64/Kconfig | 37 ++------------------------------- >> arch/arm64/Makefile | 21 ++----------------- >> arch/arm64/include/asm/rwonce.h | 4 ---- >> arch/arm64/kvm/Kconfig | 1 - >> arch/arm64/lib/xor-neon.c | 2 +- >> 5 files changed, 5 insertions(+), 60 deletions(-) > > Since some of these checks are dynamic (i.e. they try passing various > options to the tools to see if they barf), have you checked that the > minimum supported version of clang implements them all? I did some randconfig build testing with clang-13/lld-13, since that is the oldest supported version, and checked that the options are all supported. I'm pretty sure it's been there for a long time before that already. Arnd