From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968888AbdIZMxd (ORCPT ); Tue, 26 Sep 2017 08:53:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39722 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966530AbdIZMxb (ORCPT ); Tue, 26 Sep 2017 08:53:31 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 9B66A129875 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=prarit@redhat.com From: Prarit Bhargava To: linux-kernel@vger.kernel.org Cc: Prarit Bhargava , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Peter Zijlstra , Andi Kleen , Dave Hansen , Piotr Luc , Kan Liang , Borislav Petkov , Stephane Eranian , Arvind Yadav , Andy Lutomirski , Christian Borntraeger , "Kirill A. Shutemov" , Tom Lendacky , He Chen , Mathias Krause , Tim Chen , Vitaly Kuznetsov Subject: [PATCH 0/3 v2 RESEND] x86/smpboot: Cleanup logical package ID Date: Tue, 26 Sep 2017 08:53:23 -0400 Message-Id: <1506430406-26121-1-git-send-email-prarit@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 26 Sep 2017 12:53:31 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sending to wider audience. I originally sent this to only the people Andi had cc'd. Andi posted two patches to clean up the logical package ID, and I posted a bug fix for systems which boot with less than than the maximum core count. If I take his changes into account the code base ends up with a significant cleanup. I am reposting his patches here. I boot tested this using max_cpus and nr_cpus, as well as booting on systems which panic without the fix in 3/3. ---8<--- Cleanup the logical package ID code by storing the logical package ID in the cpuinfo_x86 struct and calculating the maximum logical package ID after all the CPUs have been enumerated. Signed-off-by: Prarit Bhargava Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org Cc: Peter Zijlstra Cc: Andi Kleen Cc: Dave Hansen Cc: Piotr Luc Cc: Kan Liang Cc: Borislav Petkov Cc: Stephane Eranian Cc: Prarit Bhargava Cc: Arvind Yadav Cc: Andy Lutomirski Cc: Christian Borntraeger Cc: "Kirill A. Shutemov" Cc: Tom Lendacky Cc: He Chen Cc: Mathias Krause Cc: Tim Chen Cc: Vitaly Kuznetsov Andi Kleen (2): perf/x86/intel/uncore: Cache logical pkg id in uncore driver x86/topology: Avoid wasting 128k for package id array Prarit Bhargava (1): x86/smpboot: Fix __max_logical_packages estimate arch/x86/events/intel/uncore.c | 1 + arch/x86/events/intel/uncore.h | 1 + arch/x86/events/intel/uncore_snbep.c | 2 +- arch/x86/include/asm/processor.h | 6 +- arch/x86/kernel/smpboot.c | 113 +++++++++++------------------------ 5 files changed, 42 insertions(+), 81 deletions(-) -- 1.8.5.5