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 76447EB64DC for ; Thu, 20 Jul 2023 13:13:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231513AbjGTNNd (ORCPT ); Thu, 20 Jul 2023 09:13:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231764AbjGTNN1 (ORCPT ); Thu, 20 Jul 2023 09:13:27 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FD41211B for ; Thu, 20 Jul 2023 06:13:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=07bM1b1/PpDYq7VZxIZQoYvaB4W/LvKhF6bRGCUsDVg=; b=XVGHc0Q5DNyklbMAxmyo7iyiEY PQywqx6XNH792ds5qKfNXyh2hFxrfF7ItdxIbvqQq86W+Mgn9VKyoWoyGX9CkjWiqOT/IXi2kpLmp klRtcfSFyOUVvdqe+0dfO8V16fVGw0nSabqDWi4UhisuRzW1K5HY3RJhZ8eH+uMsQ8wsfQX2KXqJW XjG0LNZ6TaIQpmQxvhZyVlBJZNHzYBTHOJCTZoYqoZpt5vdy338vooPpX639DzbPmAA3d1hLPLHf2 CQa3n1Y9r83+vbbeKXj/Jwy2h/wNDgtlSX8pBPp8/v2Yx9SFtzyqTKK6O1rF8zt4XXE+Sazgd5Uj3 5fQOsAZQ==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qMTT4-00Fbrm-1A; Thu, 20 Jul 2023 13:13:19 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id B26C130020C; Thu, 20 Jul 2023 15:13:16 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 87D7F25F2B0C2; Thu, 20 Jul 2023 15:13:16 +0200 (CEST) Date: Thu, 20 Jul 2023 15:13:16 +0200 From: Peter Zijlstra To: Marc Gonzalez Cc: Thomas Gleixner , x86@kernel.org, LKML Subject: Re: [patch 00/58] x86/apic: Decrapification and static calls Message-ID: <20230720131316.GD3569127@hirez.programming.kicks-ass.net> References: <20230717223049.327865981@linutronix.de> <502aa1d5-97a0-7787-1d9c-486f351fe9c5@free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <502aa1d5-97a0-7787-1d9c-486f351fe9c5@free.fr> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 20, 2023 at 02:43:55PM +0200, Marc Gonzalez wrote: > On 18/07/2023 01:14, Thomas Gleixner wrote: > > Ideally we remove 32bit support altogether. I know the answer... :( > > Hello Thomas, > > For what it's worth, there are a few millions of these in the field: > > # cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 28 > model name : Intel(R) Atom(TM) CPU CE4150 @ 1.20GHz > stepping : 10 > microcode : 0x106 > cpu MHz : 1199.885 > cache size : 512 KB > physical id : 0 > siblings : 2 > core id : 0 > cpu cores : 1 > apicid : 0 > initial apicid : 0 > fdiv_bug : no > f00f_bug : no > coma_bug : no > fpu : yes > fpu_exception : yes > cpuid level : 10 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts cpuid aperfmperf pni dtes64 monitor ds_cpl vmx tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm tpr_shadow vnmi flexpriority vpid dtherm > vmx flags : vnmi flexpriority tsc_offset vtpr vapic > bugs : > bogomips : 2400.76 > clflush size : 64 > cache_alignment : 64 > address sizes : 32 bits physical, 48 bits virtual > power management: But that's a 64bit chip, no? lm, cx16