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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7F7DC433F4 for ; Sun, 23 Sep 2018 09:35:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 688BC214C2 for ; Sun, 23 Sep 2018 09:35:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 688BC214C2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hygon.cn Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726802AbeIWPch (ORCPT ); Sun, 23 Sep 2018 11:32:37 -0400 Received: from smtp21.cstnet.cn ([159.226.251.21]:48640 "EHLO cstnet.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726052AbeIWPch (ORCPT ); Sun, 23 Sep 2018 11:32:37 -0400 Received: from pw-vbox.higon.com (unknown [182.150.46.145]) by APP-01 (Coremail) with SMTP id qwCowACX+UZhXqdbJEqzDA--.31S2; Sun, 23 Sep 2018 17:35:37 +0800 (CST) From: Pu Wen To: bp@alien8.de, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, thomas.lendacky@amd.com Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Pu Wen Subject: [PATCH v8 08/16] x86/apic: Add Hygon Dhyana support to APIC Date: Sun, 23 Sep 2018 17:35:28 +0800 Message-Id: <7a557265a8c7c9e842fe60f9d8e064458801aef3.1537533369.git.puwen@hygon.cn> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: X-CM-TRANSID: qwCowACX+UZhXqdbJEqzDA--.31S2 X-Coremail-Antispam: 1UD129KBjvJXoW7CF13tFykKFWUAw4UKFW5GFg_yoW8Xw13pr WUAF4kJFs0gF93Xas7trZ7WryUZ3ZI9w13Ww45Cry3JFWYvry3Zrs2yw1xC34jqrZ5Cr1r ta1kZayYva1UJaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkj14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r1I6r4UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr 1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0E wIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E74 80Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0 I7IYx2IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI42IY6x AIw20EY4v20xvaj40_Gr0_Zr1lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY 1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUD-B_UUUUU= X-Originating-IP: [182.150.46.145] X-CM-SenderInfo: psxzv046klw03qof0z/ Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add Hygon Dhyana support to the APIC subsystem as it uses modern APIC. When running on 32 bit mode, bigsmp should be enabled if there are more than 8 cores online. Signed-off-by: Pu Wen Reviewed-by: Borislav Petkov --- arch/x86/kernel/apic/apic.c | 7 +++++++ arch/x86/kernel/apic/probe_32.c | 1 + 2 files changed, 8 insertions(+) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 84132ed..ab731ab 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -224,6 +224,11 @@ static int modern_apic(void) if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD && boot_cpu_data.x86 >= 0xf) return 1; + + /* Hygon systems use modern APIC */ + if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) + return 1; + return lapic_get_version() >= 0x14; } @@ -1912,6 +1917,8 @@ static int __init detect_init_APIC(void) (boot_cpu_data.x86 >= 15)) break; goto no_apic; + case X86_VENDOR_HYGON: + break; case X86_VENDOR_INTEL: if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 || (boot_cpu_data.x86 == 5 && boot_cpu_has(X86_FEATURE_APIC))) diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c index 02e8acb..47ff297 100644 --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -185,6 +185,7 @@ void __init default_setup_apic_routing(void) break; } /* If P4 and above fall through */ + case X86_VENDOR_HYGON: case X86_VENDOR_AMD: def_to_bigsmp = 1; } -- 2.7.4