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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80CF2C7EE31 for ; Thu, 25 May 2023 22:59:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229672AbjEYW71 (ORCPT ); Thu, 25 May 2023 18:59:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229583AbjEYW7Z (ORCPT ); Thu, 25 May 2023 18:59:25 -0400 Received: from bee.tesarici.cz (bee.tesarici.cz [IPv6:2a03:3b40:fe:2d4::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6FAB910F; Thu, 25 May 2023 15:59:20 -0700 (PDT) Received: from meshulam (unknown [185.176.138.243]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by bee.tesarici.cz (Postfix) with ESMTPSA id 7DC8E14BB92; Fri, 26 May 2023 00:59:16 +0200 (CEST) Authentication-Results: mail.tesarici.cz; dmarc=fail (p=none dis=none) header.from=tesarici.cz DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tesarici.cz; s=mail; t=1685055556; bh=kog4dbXqqG9kBj5lHS7A5wxZKGwA1hEOps5hdfkNd4c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=voT0v/B4F4JCfSsevmi6sqEuIDTsZ9KB77LA6dNgKfvOZhHuIDxAEh4n2LC4Uc7k4 VVo8BcsMS9B9BNRHjrenOpJhF9TBR2ZIcxRFOa1nvlHHRxo78PV4dhwXs5B7UAVGUm pAVAcE0ORVA6ze+B6vZaKlAXxD0epe8rA2KbPC0sPz0QzyZj+5HqUGzGHuereD+RsG PSx+LZFy7rW+0h0BKVh3BJTJViIUBS20Ei7GgN3yBG00V4KqhDAk0RLhUvp+doe3l7 Zoo1fZjVbwNa/vt3qdeBQxLpo+e4eOll1OWad+iKvnwCt1Ax6q5HU3wpOdd05BP/hl R8A6qlWxHd/IA== Date: Fri, 26 May 2023 00:59:15 +0200 From: Petr =?UTF-8?B?VGVzYcWZw61r?= To: Peter Zijlstra Cc: torvalds@linux-foundation.org, corbet@lwn.net, will@kernel.org, boqun.feng@gmail.com, mark.rutland@arm.com, catalin.marinas@arm.com, dennis@kernel.org, tj@kernel.org, cl@linux.com, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, joro@8bytes.org, suravee.suthikulpanit@amd.com, robin.murphy@arm.com, dwmw2@infradead.org, baolu.lu@linux.intel.com, Arnd Bergmann , Herbert Xu , davem@davemloft.net, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, Andrew Morton , vbabka@suse.cz, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, iommu@lists.linux.dev, linux-arch@vger.kernel.org, linux-crypto@vger.kernel.org Subject: Re: [PATCH v3 05/11] percpu: Wire up cmpxchg128 Message-ID: <20230526005915.01a35500@meshulam> In-Reply-To: <20230525124955.GS83892@hirez.programming.kicks-ass.net> References: <20230515075659.118447996@infradead.org> <20230515080554.248739380@infradead.org> <20230525124955.GS83892@hirez.programming.kicks-ass.net> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 25 May 2023 14:49:55 +0200 Peter Zijlstra wrote: >[...] > Build tested i386-defconfig. > > (the things we do for museum pieces :/) I have always thought it's not done for museum pieces but rather for dumb emulators. I can vaguely recall a reverse-engineered MIPS firmware which was able to run i386 binaries, but not i586... Petr T