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 48EFFC04A6A for ; Mon, 14 Aug 2023 14:37:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231670AbjHNOhO (ORCPT ); Mon, 14 Aug 2023 10:37:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230293AbjHNOgz (ORCPT ); Mon, 14 Aug 2023 10:36:55 -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 1C72AE9 for ; Mon, 14 Aug 2023 07:36:54 -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=rTdmtiV1Cy1Cv3JBCyT4qVPnn3R20+Z8COZxq98CBEc=; b=cjhIzm6M0e37Nxfs7vGb8wa0oO X1XEC2MOLNLHAu0wXrzfVIM27rpuZVxgXOIRdMctLowAwCRPnPjUpzWBTO6MmMozmRngIoJ+gUCcP H3/d3loxqjPNxxuWr2jh3j7ew1o4ZlBZF8YQFaA9DmM4C+oBAafWQFOxPcmXbLVssgTEBoifzvlpy ntDjxBNYbk9FNLQm011wTqRT4fwJbheiYFtwMKVPQ2h8jeaZ5B5RX7e61K2rzA5dg7xHW22UhJfeU dAfDdD3X8jEeCv+19NF54wbezqufzR13Kj1mZk3sAYb8mPudZHGPDPLtyQl5RQ/R7+kAmhAP9HKaR 8Tshb5VQ==; 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 1qVYgB-00Aesp-1B; Mon, 14 Aug 2023 14:36:23 +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)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 423CB300137; Mon, 14 Aug 2023 16:36:18 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2AD81202C2247; Mon, 14 Aug 2023 16:36:18 +0200 (CEST) Date: Mon, 14 Aug 2023 16:36:18 +0200 From: Peter Zijlstra To: Thomas Gleixner Cc: LKML , x86@kernel.org, Tom Lendacky , Andrew Cooper , Arjan van de Ven , Huang Rui , Juergen Gross , Dimitri Sivanich , Michael Kelley , Wei Liu , Pu Wen , Qiuxu Zhuo Subject: Re: [patch V4 00/41] x86/cpu: Rework the topology evaluation Message-ID: <20230814143618.GM776869@hirez.programming.kicks-ass.net> References: <20230814085006.593997112@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230814085006.593997112@linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 14, 2023 at 10:53:33AM +0200, Thomas Gleixner wrote: > Hi! > > This is the follow up to V3: > > https://lore.kernel.org/lkml/20230802101635.459108805@linutronix.de > > which addresses the review feedback. > > TLDR: > > This reworks the way how topology information is evaluated via CPUID > in preparation for a larger topology management overhaul to address > shortcomings of the current code vs. hybrid systems and systems which make > use of the extended topology domains in leaf 0x1f. Aside of that it's an > overdue spring cleaning to get rid of accumulated layers of duct tape and > haywire. > Given how often you had me reboot the adl thing ;-) Tested-by: Peter Zijlstra (Intel) Acked-by: Peter Zijlstra (Intel)