From patchwork Mon Jul 24 17:44:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 13325179 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 096B8C001DF for ; Mon, 24 Jul 2023 17:44:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231757AbjGXRo4 (ORCPT ); Mon, 24 Jul 2023 13:44:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231758AbjGXRoN (ORCPT ); Mon, 24 Jul 2023 13:44:13 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A71BE19A5; Mon, 24 Jul 2023 10:44:03 -0700 (PDT) Message-ID: <20230724172844.104485850@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1690220642; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=k2X30la9A+LiFs91Fg8KfkdfnmktWy8AebFx0bnllDY=; b=O+9Mg+126PfNlajAwHFFMIPmwUl0//wQCF6vuyW7VQtI3/07w2/0E8nKJUrW2axeITd92i KK8cGelopeE2Mo/7kWeQmbKY+q+LnqlALgQ6hMBKl7IKimkszU0OZng45IfXf5iMPeyTgw P3PGMt7JGcClA+HZ1ieFtKfbiooVQycW2BESHnnnGBUj7FGCJJTEKNbQiel4F4UlmVInXT NeykrY0yey5Kc9JT7fcxa2YVCYZDv433U528W4HKNMATXMzf0RrDPOWX9FG8IhU1Q8X2Wg K4e3a87R24RaRpdyVJVrpRsAJR5N14E8qEG+sba1F/KkCEu4LL1Cos1x5WKbsA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1690220642; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=k2X30la9A+LiFs91Fg8KfkdfnmktWy8AebFx0bnllDY=; b=/Xgdi50Nxi/RiaqZLbY+/v6LJvpqItsngV9epHy9QJ98YhdBvIpvmcRRAB2DRoOKMaToGM iKvL52vd699RwKBA== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Tom Lendacky , Andrew Cooper , Arjan van de Ven , "James E.J. Bottomley" , Dick Kennedy , James Smart , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-hwmon@vger.kernel.org, Jean Delvare , Huang Rui , Guenter Roeck , Steve Wahl , Mike Travis , Dimitri Sivanich , Russ Anderson Subject: [patch 07/29] x86/cpu: Move cu_id into topology info References: <20230724155329.474037902@linutronix.de> MIME-Version: 1.0 Date: Mon, 24 Jul 2023 19:44:01 +0200 (CEST) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org No functional change. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/processor.h | 9 ++++++++- arch/x86/kernel/cpu/amd.c | 2 +- arch/x86/kernel/cpu/common.c | 2 +- arch/x86/kernel/smpboot.c | 6 +++--- 4 files changed, 13 insertions(+), 6 deletions(-) --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -78,11 +78,19 @@ extern u16 __read_mostly tlb_lld_1g[NR_I */ struct cpuinfo_topology { + // Real APIC ID read from the local APIC u16 apicid; + // The initial APIC ID provided by CPUID u16 initial_apicid; + // Physical package ID u16 pkg_id; + // Physical die ID on AMD, Relative on Intel u16 die_id; + // Compute unit ID - AMD specific + u16 cu_id; + + // Core ID relative to the package u16 core_id; }; @@ -102,7 +110,6 @@ struct cpuinfo_x86 { __u8 x86_phys_bits; /* CPUID returned core id bits: */ __u8 x86_coreid_bits; - __u8 cu_id; /* Max extended CPUID function supported: */ __u32 extended_cpuid_level; /* Maximum supported CPUID level, -1=no CPUID: */ --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -341,7 +341,7 @@ static void amd_get_topology(struct cpui c->topo.die_id = ecx & 0xff; if (c->x86 == 0x15) - c->cu_id = ebx & 0xff; + c->topo.cu_id = ebx & 0xff; if (c->x86 >= 0x17) { c->topo.core_id = ebx & 0xff; --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1789,7 +1789,7 @@ static void identify_cpu(struct cpuinfo_ c->x86_model_id[0] = '\0'; /* Unset */ c->x86_max_cores = 1; c->x86_coreid_bits = 0; - c->cu_id = 0xff; + c->topo.cu_id = 0xff; #ifdef CONFIG_X86_64 c->x86_clflush_size = 64; c->x86_phys_bits = 36; --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -490,9 +490,9 @@ static bool match_smt(struct cpuinfo_x86 if (c->topo.core_id == o->topo.core_id) return topology_sane(c, o, "smt"); - if ((c->cu_id != 0xff) && - (o->cu_id != 0xff) && - (c->cu_id == o->cu_id)) + if ((c->topo.cu_id != 0xff) && + (o->topo.cu_id != 0xff) && + (c->topo.cu_id == o->topo.cu_id)) return topology_sane(c, o, "smt"); }